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  • 31751.
    von Koch, Christopher
    et al.
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Ludvigsson Wallette, Martin
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Nilsson, Ola
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    In search of corporate governance in franchising2020In: Journal of Marketing Channels, ISSN 1046-669X, E-ISSN 1540-7039, p. 1-16Article in journal (Refereed)
    Abstract [en]

    A firm’s governance structure and business model might explain the firm’s failure or success. Franchising is a business model that has not received much attention within the corporate governance (CG) literature even though it obviously brings several unique CG challenges. Therefore, we review articles at the interface of CG and franchising. We identify and thematize the literature in four focus areas, each with a different relationship to CG: 1) traditional CG, 2) governance challenges unique to franchising, 3) governance modes, and 4) contracts. We find that the literature largely ignores the traditional view of CG when examining many aspects of franchising. We also find that the franchising literature covers governance topics when discussing governance modes, which provides a basis for developing CG theories. Altogether, our findings open a promising avenue for future research that incorporates CG into studies of franchising.

  • 31752.
    von Koch, Christopher
    et al.
    Växjö University, Faculty of Humanities and Social Sciences, School of Management and Economics.
    Nilsson, Ola
    Växjö University, Faculty of Humanities and Social Sciences, School of Management and Economics.
    Linné och vi andra: är vi i samma klass?2009In: Från Barkbröd till ciabatta : kreativitet och kontroll inom ekonomistyrning : en generationsväxlingsbok tillägnad Lars-Göran Aidemark, Göran Andersson, Torbjörn Bredenlöw och Tomas Prenkert / [ed] In: K. Jonnergård & R.G. Larsson (eds.), Växjö: Växjö University Press , 2009Chapter in book (Other academic)
  • 31753.
    von Koch, Christopher
    et al.
    Linnaeus University, Faculty of Business, Economics and Design, Linnaeus School of Business and Economics.
    Nilsson, Ola
    Linnaeus University, Faculty of Business, Economics and Design, Linnaeus School of Business and Economics.
    Collin, Sven-Olof Yrjö
    Linnaeus University, Faculty of Business, Economics and Design, Linnaeus School of Business and Economics.
    The influence of investor protection on the performance of analysts: Time series analyses in four different legal systems2012Conference paper (Refereed)
  • 31754.
    von Koch, Christopher
    et al.
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Nilsson, Ola
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Collin, Sven-Olof Yrjö
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    The influence of investor protection on the performance of financial analysts: Time series analyses in four different legal systems2015In: International Journal of Disclosure & Governance, ISSN 1741-3591, E-ISSN 1746-6539, Vol. 12, no May 2015, p. 167-184Article in journal (Refereed)
    Abstract [en]

    In the corporate governance landscape there are several different groups of so-called gatekeepers who act as intermediary between the company and investors. Financial analysts represent one of these groups that have been especially tied to the question of how corporate laws affect the overall efficiency of corporate governance. It has, for example, been proposed that their performance, that is, predicting earnings per share (EPS), is influenced by the strength of the legal system in terms of investor protection. In this study we analyze this relationship in four European countries using a newly developed index for investor protection. This allows us to conduct analysis both cross-sectionally and over time, which is an opportunity for a more refined analysis of the impact of strengthened investor protection than prior studies. Our main conclusion is that there is overall support for the proposition that there is a relation between financial analysts’ performance and the strength of legal protection based on both analyses of changes over time and between countries. Their performance is better with a higher degree of investor protection. But we also claim that the analysts’ role and investor protection can be seen as a substitution for each other when working as mechanisms in the corporate governance landscape, as there is a more extensive market for analysts when there is less investor protection. The results provide an in-depth analysis of the effect of strengthened legalization and also how different corporate governance mechanisms can affect each other. This is especially of value for policy makers and academics interested in the impact and consequences of legal reforms.

  • 31755.
    von Koch, Christopher
    et al.
    Linnaeus University, Faculty of Business, Economics and Design, Linnaeus School of Business and Economics.
    Nilsson, Ola
    Linnaeus University, Faculty of Business, Economics and Design, Linnaeus School of Business and Economics.
    Eriksson, Katarina
    Linnaeus University, Faculty of Business, Economics and Design, Linnaeus School of Business and Economics.
    Does corporate governance affect the performance of analysts as a gatekeeper?: The case of Sweden2010Conference paper (Refereed)
  • 31756.
    von Koch, Christopher
    et al.
    Linnaeus University, Faculty of Business, Economics and Design, Linnaeus School of Business and Economics.
    Nilsson, Ola
    Linnaeus University, Faculty of Business, Economics and Design, Linnaeus School of Business and Economics.
    Eriksson, Katarina
    Linnaeus University, Faculty of Business, Economics and Design, Linnaeus School of Business and Economics.
    Does shareholder protection affect the performance of analysts as a gatekeeper?2012In: Journal of Management and Governance, ISSN 1385-3457, E-ISSN 1572-963X, Vol. 18, no 2, p. 315-345Article in journal (Refereed)
    Abstract [en]

    This paper investigates the effect of shareholder protection on analysts’ performance. The important corporate governance role analysts can play by monitoring management has largely been ignored in the literature. Using a newly constructed index, we are for the first time able to analyse how changes in shareholder protection over time affect analysts’ performance as a gatekeeper. We find that strengthened shareholder protection improves analysts’ performance as a gatekeeper, i.e. analysts’ ability to reduce information asymmetry improves with strengthened shareholder protection. However, we also find a substitution effect: Strengthened shareholder protection makes analysts’ services less valuable to investors, thereby leading to a reduction in the number of analysts following firms.

  • 31757.
    von Koch, Christopher
    et al.
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Nilsson, Ola
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Jonnergård, Karin
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    The Regulatory Effect on the Performance of Financial Analysts: Time Series from Two different Legal Systems2013In: Journal of Business and Financial Affairs, ISSN 2167-0234, Vol. 2, no 2Article in journal (Refereed)
    Abstract [en]

    The focus of this paper is the relationship between regulatory settings and financial analysts’ performance, which is examined by studying the level of shareholder protection and the performance of financial analysts in two countries with different legal origins. By using a newly constructed index to measure shareholder protection, we are able to analyze how changes in shareholder protection over time can affect analysts’ performance. By comparing two countries with different legal traditions (the United Kingdom (UK) and Sweden), we are also able to assess whether the underlying legal origin is an influential factor. The results show that increased shareholder protection improves forecast accuracy in both the UK and Sweden, supporting the idea that stronger shareholder protection regulations improve analysts’ performance whether the legal context is rooted in common law or Scandinavian civil law tradition. The findings also indicate that strengthened shareholder protection decreases forecast dispersion in Sweden and forecast bias in the UK, further supporting the idea that stronger shareholder protection improves analysts’ performance even though the results differed across legal contexts. We did, however, find a substitution effect in both countries: Strengthened shareholder protection makes analysts’ services less valuable to investors, thus leading to a reduction in the number of analysts. Our main conclusion is that changes in shareholder protection affect the performance of analysts irrespective of the country’s legal origin, i.e. common law or Scandinavian civil law. However, legal origin seems to have an impact on the magnitude of analysts’ performance based on changes in shareholder protection.

  • 31758.
    von Koch, Christopher
    et al.
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Nilsson, Ola
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Jönsson, Micael
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    How Country-Level Corporate Governance Impacts Information Environment: Using a New Model with More Forecast Properties2015In: International Journal of Business and Social Science, ISSN 2219-1933, E-ISSN 2219-6021, Vol. 6, no 8, p. 14-26Article in journal (Refereed)
    Abstract [en]

    Financial analyst forecast properties are often used to measure the information environment (IE) within which firms operate. The three most common analyst proxies for IE are analyst following, analyst forecast accuracy, and analyst forecast dispersion. Research using these forecast properties indicates that country-level corporate governance (CCG) positively affects IE. However, consider that analyst properties are determined by both public and private information and that these proxies do not enable determining these two dimensions; even so, they can be interpreted as a rough proxy for IE, in particular because there are models that measure the proportion and precision of private information, the precision of public information and the precision of total information using analyst data. We claim that it is especially important to understand these dimensions and that the relationship between CCG and IE has not been fully investigated. The aim of this paper is therefore to investigate this relationship more thoroughly using a new model as a proxy for firms’ IE. We use a worldwide sample, and our results show that higher levels of CCG significantly and positively affect IE. Greater CCG improves the precision of both public and total information. Additionally, our results indicate that precision in private information is unaffected by greater CCG and that analysts use relatively less private information in their forecasts with increased CCG. We can therefore conclude a generally positive relationship between CCG and IE with improved public information. 

  • 31759.
    von Koch, Christopher
    et al.
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Nilsson, Ola
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Jönsson, Micael
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    The interaction between country and firm-level corporate governance2013Conference paper (Refereed)
  • 31760.
    von Koch, Christopher
    et al.
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Nilsson, Ola
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Jönsson, Micael
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Andersson, Jeff
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Matthiesen, Erik
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    The impact of firm-level shareholder protections on abnormal returns on insider trading2013In: Journal of Business and Financial Affairs, ISSN 2167-0234, Vol. 3, no 1Article in journal (Refereed)
  • 31761.
    von Koch, Christopher
    et al.
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Nilsson, Ola
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Jönsson, Micael
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Jansson, Andreas
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    An empirical study of the method effect in analysing the adoption of IFRS2014In: Accounting and Finance Research, ISSN 1927-5986, E-ISSN 1927-5994, Vol. 3, no 2, p. 153-169Article in journal (Refereed)
    Abstract [en]

    This study investigates the consequences of using different methods when making conclusions about the effect of IFRS. The study’s contribution is related to the suggestion that research design must be considered when analysing the results of prior studies on the adoption of IFRS. In summary, our results demonstrate that the impact of IFRS on accounting quality measured as financial analysts’ information environment depends on the model used. Using the same model as in prior research (the BKLS model) our results confirm earlier studies that IFRS adoption improves the information environment for analysts. However, when using a more sophisticated model no such improvement can be found.

  • 31762.
    von Koch, Christopher
    et al.
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Nilsson, Ola
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Jönsson, Micael
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    Jonnergård, Karin
    Linnaeus University, School of Business and Economics, Department of Management Accounting and Logistics.
    The interaction between Country-Level and Firm-level Corporate Governance2013In: International Journal of Business and Social Science, ISSN 2219-1933, E-ISSN 2219-6021, Vol. 4, no 13, p. 78-92Article in journal (Refereed)
  • 31763.
    von Landesberger, Tatiana
    et al.
    Technical University of Darmstadt, Germany.
    Brodkorb, Felix
    Technical University of Darmstadt, Germany.
    Roskosch, Philipp
    Technical University of Darmstadt, Germany.
    Andrienko, Natalia
    Fraunhofer IAIS, Germany ; City University, UK.
    Andrienko, Gennady
    Fraunhofer IAIS, Germany ; City University, UK.
    Kerren, Andreas
    Linnaeus University, Faculty of Technology, Department of Computer Science.
    MobilityGraphs: Visual Analysis of Mass Mobility Dynamics via Spatio-Temporal Graphs and Clustering2016In: IEEE Transactions on Visualization and Computer Graphics, ISSN 1077-2626, E-ISSN 1941-0506, Vol. 22, no 1, p. 11-20Article in journal (Refereed)
    Abstract [en]

    Learning more about people mobility is an important task for official decision makers and urban planners. Mobility data sets characterize the variation of the presence of people in different places over time as well as movements (or flows) of people between the places. The analysis of mobility data is challenging due to the need to analyze and compare spatial situations (i.e., presence and flows of people in certain time intervals) and to gain an understanding of the spatio-temporal changes (variations of situations over time). Traditional flow visualizations usually fail due to massive clutter. Modern approaches offer limited support for investigating the complex variation of the movements over longer time periods.

    We propose a visual analytics methodology that solves these issues by combined spatial and temporal simplifications. We have developed a graph-based method, called MobilityGraphs, which reveals movement patterns that were occluded in flow maps. Our method enables the visual representation of the spatio-temporal variation of movements for long time series of spatial situations originally containing a large number of intersecting flows. The interactive system supports data exploration from various perspectives and at various levels of detail by interactive setting of clustering parameters. The feasibility our approach was tested on aggregated mobility data derived from a set of geolocated Twitter posts within the Greater London city area and mobile phone call data records in Abidjan, Ivory Coast. We could show that MobilityGraphs support the identification of regular daily and weekly movement patterns of resident population.

  • 31764.
    von Schantz Lundgren, Inger
    Växjö University, Faculty of Humanities and Social Sciences, School of Education.
    Det är enklare i teorin...Om skolutveckling i praktiken: En fallstudie av ett skolutvecklingsprojekt i en gymnasieskola2008Doctoral thesis, monograph (Other academic)
    Abstract [en]

    This dissertation is a case study dealing with a school development project that took place in an upper secondary school as a result of a merger of two schools with different cultures. The project used a method called “Frirumsmodellen” and was planned to be conducted in three steps. The first was to carry out a cultural analysis in order to map the preconditions to start a school development project. The second was to carry out concrete actions and finally study eventual effects from such activities by doing a second cultural analysis. My role was to be a supervisor in the school development work, but at the same time study how this work was conducted and its impact in the ordinary school day.

    The dissertation takes its departure in the fact that schools are political governed. The mission of schools is never neutral; it is always an expression of behind laying social forces, ideologies and ideals of the contemporary society. Of this reason, there is a close connection between the macro political level and the micro political level. Another point of departure is the transition from a modern to a post modern society that gives the character to the changes that take place in schools. Steering of schools has partly been treated as a technical implementation problem. Schools contain on going conflicts between different interest groups that, more or less regularly, end up in educational reforms. These reforms generate school development activities in the single school. Undoubtedly, this makes school development to a complex process.

    At a rather late stage of the study I decided not to fulfil my task to follow the original plan. I instead let the school development project as a model to be in focus. The over all purpose was formulated: How is it possible to understand what happened in the school development project in the Falkgymnasiet and why was it not possible to carry it out as it was said in the project plan? To interpret what took place during the project I did create an interpretation frame of implementation and complexity theory that also made it possible to critically scrutinise the “Frirumsmodellen”.

    Already in an early stage of the process it was obvious that the “Frirumsmodellen” did not supply any tools to use and it became disconnected from the project. The project in it selves was marginalised and made invisible. The headmaster used the situation to change things she thought were important to develop. As a result, things happened, but most of the involved people did not at first hand connect this to the project. It is, of course, difficult in detail to say what caused what. The complexity theory successively made the hidden patterns revealed, hidden unofficial potentates visible, as well as unpredictable conditions that generated reactions from the personnel in front of a development work. Together this was rather efficient obstacles for not changing this school.

    I also discuss school development and implementation problems on a general level, for example, the possibility to transform a top-down initiated project to be bottom-up driven and using project as a tool for school development work. It was obvious that headmasters and teachers must be prepared to handle the ideological dimensions of problems schools have to face. Consequently, development work is about making problems visible and to handle these in the intersection point between the intentions of educational policies, pedagogical researchers, school administrators, headmasters, teachers and pupils. The ideological dimension also contains an existential issue. Do I as a teacher share the intentions for the development work? If not, how must I act?

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  • 31765. von Schantz, T
    et al.
    Tufvesson, M
    Göransson, Görgen
    University of Kalmar, School of Pure and Applied Natural Sciences.
    Grahn, M
    Wilhelmsson, M
    Wittzell, H
    Artificial selection for increased comb size and its effects on other sexual characters and viability in Gallus domesticus (the domestic chicken)1995In: Heredity, Vol. 75, p. 518-529Article in journal (Refereed)
  • 31766. von Schéele, Fabian
    Bonus and cognition in service economy: a question of time2002In: Nordic Ergonomics Society's 34th Annual Congress on Humans in a Complex Environment, Norrköping, Sweden, 2002-10-1 - 2002-10-3, 2002Conference paper (Refereed)
  • 31767.
    von Schéele, Fabian
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Control is lost for ever: conceptualization of cognitive time distortion as a means to regain some managerial manoeuvrability of an economic organization2015In: PMA Symposium 2015: Performance Measurement in Transition – Moving Beyond Control, Bologna, Italy, 23-25 September, 2015, 2015Conference paper (Refereed)
  • 31768. von Schéele, Fabian
    Granskning av Tiden i skolan i Ljungby Kommun2002Report (Other academic)
  • 31769. von Schéele, Fabian
    Granskning av Tiden i skolan i Tidaholm Kommun2003Report (Other academic)
  • 31770. von Schéele, Fabian
    Predicting Burnout Syndromes in Service Organisations2002In: WWDU 2002 : Work With Display Units : World Wide Work: Proceedings of the 6th International Scientific Conference on Work With Display Units : WWDU 2002 - World Wide Work : Berchtesgaden, May 22-25, 2002 / [ed] H. Luczak, A. E. Çakir, G. Çakir, Berlin: ERGONOMIC Institut für Arbeits- und Sozialforschnung , 2002, p. 44-45Conference paper (Refereed)
  • 31771.
    von Schéele, Fabian
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Temporal Workload in Economic Organizations: A Hidden Condition of Economic Efficiency2017In: GIKA 2017, Lisbon, Portugal, 28 – 30 of June 2017, 2017Conference paper (Refereed)
  • 31772. von Schéele, Fabian
    The power of education in service economy and time cognition: a field study2002In: Presented at IAREP International Conference on Economic Psychology in Åbo, Finland, 2002-06-30 - 2002-07-05, 2002Conference paper (Refereed)
  • 31773. von Schéele, Fabian
    The power of Time Related Feedback: a Laboratory Experiment2002In: IAREP International Conference on Economic Psychology in Åbo, Finland, 2002-06-30 - 2002-07-05, 2002Conference paper (Refereed)
  • 31774.
    von Schéele, Fabian
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Haftor, Darek
    Linnaeus University, Faculty of Technology, Department of Informatics.
    A Workload Equation that accounts for Human Cognitive Time Distortion2014In: 21st EurOMA Conference Operations Management in an Innovation Economy, International Annual EurOMA Conference, 2014Conference paper (Refereed)
  • 31775.
    von Schéele, Fabian
    et al.
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Haftor, Darek
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Cognitive Distortion Accounted Workload in Service Operations2011In: NFF 2011 August 20-24 / [ed] Lövsted, J., 2011Conference paper (Refereed)
  • 31776. von Schéele, Fabian
    et al.
    Haftor, Darek
    Linnaeus University, Faculty of Science and Engineering, School of Computer Science, Physics and Mathematics.
    Cognitive Time Distortion Accounted Workload in Human Operations2011In: 17th Annual Working Conference of theInternational Institute for Developmental Ethics / [ed] Strijbos, S., Amsterdam: Rozenberg Publishers, 2011Conference paper (Refereed)
  • 31777.
    von Schéele, Fabian
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Haftor, Darek
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Cognitive time distortion as a source of economic risk2015In: OR 2015, The International Conference on Operations Research, September 1- 4, 2015, Wien, Austria, 2015Conference paper (Refereed)
  • 31778.
    von Schéele, Fabian
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Haftor, Darek
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Cognitive Time Distortion as a Source of Risk in Economic Organizations: Conceptual Foundations2014In: Proceedings of the 19th Annual Working Conference of the International Institute for Developmental Ethics (IIDE), Maarssen, the Netherlands: Rozenberg Publishers, 2014, p. 124-Conference paper (Refereed)
    Abstract [en]

    This paper introduces two kinds of risks present in any economic organization: the risk of cognitive time distortion and the risk of economic distortion. These two kinds of risks are related in a complex and non-linear manner, so that the cognitive distortion risk gives rise to the economic distortion risk. By monitoring the cognitive distortion risk, managers may also control the economic distortion risk. Basic conceptual foundations for the conception of these two kinds of risks, originating in unconditional human cognitive time distortion, are elaborated in this paper.

    “.. if economic organization is formidably complex, which it is, and if economic agents are subject to very real cognitive limits, which they are, then failures of alignment will occur routinely.” – O.E. Williamson, 1991: 79

  • 31779.
    von Schéele, Fabian
    et al.
    Stockholm Univ.
    Haftor, Darek
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Cognitive Time Distortion on the Performance of Economic Organizations2014In: Systems research and behavioral science, ISSN 1092-7026, E-ISSN 1099-1743, Vol. 31, no 1, p. 77-93Article in journal (Refereed)
    Abstract [en]

    This paper introduces a novel conception of an economic organization, where its Total Profit Equation accounts for the phenomenon of cognitive time distortionthis being understood as the discrepancy between physical and cognitive time. Cognitive time distortion is unconditionally inherent in all human beings and everything they do, and typically produces economic inefficiencies as well as human stress; all this may now be conceptualized, detected, and acted upon. The novel Total Profit Equation as introduced here, including its underlying Total Revenue Equation and the Total Cost Equation, echoes a call of the founders of Systems Sciences that non-trivial systems manifest several kinds of temporal experiences. This call has largely been ignored by the various disciplines that study organizations and their management, particularly economic organizations, where the temporal experience of economic organizations is reduced to physical time. In this sense, this contribution offers an alternative to remedy that reductionism. Copyright (c) 2013 John Wiley & Sons, Ltd.

  • 31780.
    von Schéele, Fabian
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Haftor, Darek
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Feedback information on Individual’s Time Perception Improves Project Management Control: results from a laboratory experiment2015In: Presented at 59th Annual Meeting of the International Society for the Systems Sciences, August 02 - 07, 2015, Berlin, Germany, 2015Conference paper (Refereed)
  • 31781.
    von Schéele, Fabian
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Haftor, Darek
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Out of Control, yet not maneuverability; Managing Cognitive Time Distortion, projects and economy in complex organizations.2015In: Presented at IAREP - SABE JOINT CONFERENCE, September 3rd – 6th, 2015, Sibiu, Romania, 2015Conference paper (Refereed)
  • 31782.
    von Schéele, Fabian
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Haftor, Darek
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Productivity Illusion: the Hidden Time Distortion as a Source for Productivity Decrease in Economic Organizations2014In: Book of abstracts for the 10th Asia Pacific Productivity Conference, University of Queensland , 2014, p. 6-Conference paper (Other academic)
    Abstract [en]

    Little attention has been put to the problems of the Time Distortion in productivity, where time distortion is the discrepancy between the objective or physical time and the subjective or cognitive time. Cognitive time distortion is a source of various performance challenges in organisations and its operations, including economic inefficiency, unsatisfactory output quality, and human not well-being. The output-input ratio of productivity may be understood in terms of these two kinds of time. Input that corresponds to physical time and the output that is based time assessments. The current conventions of economic organizations – both in practice and in theory – assume the physical time to be the only kind of time. Based upon findings from biological and mental sciences this assumption of physical time only is challenged. We establish therefore formals relation between the physical time and the cognitive time, and then between that temporal relation and the economic performance of an organization. One implication is that calculus that accounts only for one kind of time, the physical, disregards from errors based on cognitive time assessments by human agents, thereby forming the ground for large errors in performance measurement. An attempt to remedy this is made here by introducing a novel method for the conception and analysis of productivity, where human agent’s cognitive time distortion is accounted for. The formal elaboration of the productivity and efficiency metrics presented here is based upon a workload equation and the conventional total profit equation; however both are formulated to account for empirical findings of the probabilistic and asymmetric character of cognitive time distortion, on individual level as well as on group level. The novelty of the workload equation and the Total Profit Equation comes from its ability to predict of true working time, by introducing new mathematical mechanisms as lever effect between economy, workload and cognitive time distortion. Consequently, we suggest that the fundaments of productivity analysis need to be modified with regard to the measurement of time and value in workload and profit. The here introduced model for productivity analysis may have significant impact for managers.

  • 31783.
    von Schéele, Fabian
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Haftor, Darek
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Systems Management and Information Metrics based on Time Distortion and Profit2014In: Proceedings of the 58th Annual Meeting of the International Society for Systems Sciences; Washington, United States, 2014Conference paper (Refereed)
    Abstract [en]

    Organizational management systems, for control and command, have attracted a great amount of research and debate since the very origin of management, as its underlying question is: how to manage human activity systems successfully? More recently, the so-called 'Balanced Score Card' approach has assumed dominance in managers' practice. While that approach has its merits, it also has some important limitations; among others it ignores the concept of time and its relation to information. To deal with some aspect of this limitation, this paper introduces a metric, (e.g. mathematical model) based upon information theory (entropy). The entropy in this paper measures the information content of time distortion in organizational performance and links it to the economic outcome (profit). The paper demonstrates how time-based goals can serve as a metrics of both information and economy, and that the relation between information content and economy outcome is not linear.  The paper suggests a mathematical model in which the management system and its operating system are carriers of information (as measured in nats) with economic dependence. The proposed model shows, among others, that time-distortion influences economic performance dramatically, including a lever effect, while high information entropy does not necessarily imply high economic outcome. The outcomes of the paper are contra-intuitive and may suggest a new metric for assessing goal oriented information from management system to its operating system. It may also be seen as a model for assessment of management efficiency with respect to time and economy.

  • 31784.
    von Schéele, Fabian
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Haftor, Darek
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Temporal Perception as a Source of Productivity Measure Distortion2017In: EWEPA 2017, XV European Workshop on Efficiency and Productivity Analysis, 12 – 15 of June, London, Great Britain, 2017Conference paper (Refereed)
  • 31785.
    von Schéele, Fabian
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Haftor, Darek
    Uppsala University.
    Temporal workload in economic organizations: A hidden non-linear condition of economic efficiency2018In: Journal of Business Research, ISSN 0148-2963, E-ISSN 1873-7978, Vol. 88, p. 415-420Article in journal (Refereed)
    Abstract [en]

    A temporal workload model is introduced to identify the relationship between the work time and economic performance of the activities conducted by a human agent in the context of an economic organization. The model's novelty derives from the account of time perception and its consequent cognitive time distortion, the latter being understood as a discrepancy between physical and cognitive time. Current praxis, both theoretical and empirical, assumes only physical time. This assumption is challenged here through the inclusion of time perception and cognitive time distortion in estimating the temporal workload of an economic agent. This inclusion enables a novel comprehension of frequent operational challenges, such as work delays, human stress, output quality issues, and economic inefficiencies. The main contribution to the literature is a specification of a new condition that governs the performance of any economic organization where human agents conduct time assessments.

  • 31786.
    von Schéele, Fabian
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Haftor, Darek
    Linnaeus University, Faculty of Technology, Department of Informatics.
    The map or the reality?: How leverage effects of time leakages distort key ratios in information economy2015In: Proceedings of 2nd Dubrovnik International Economic Meeting. Scientific Conference on Innovation, Leadership & Entrepreneurship – Challenges of Modern Economy: University of Dubrovnik, Department of Economics and Business Economics, Dubrovnik, Croatia, October 01-03, University of Dubrovnik , 2015, p. 231-244Conference paper (Refereed)
    Abstract [en]

    This paper addresses specifically leverage effects based on the irreversible nature of time and the Cognitive Time Distortion in economy. In service - and information society, time has received an ever increasing importance, not from the perspective of faster production, but due to the fact that the major part of the economic value of Total Revenues and Total Costs is based on time. In this paper, we demonstrate new mathematical mechanisms in economy due to the irreversible nature of time and Cognitive Time Distortion, and we explore their lever effects. It is presented that the lever effect on return on capital employed may rise to many hundred percent of budgeted outcome. It is concluded that even moderate cognitive time distortions cause substantial deviation in budgeted profit as well as it proves to be a mechanism to large delays. The lever effect due to the time perception is an ever present distortion of a true economic outcome. 

  • 31787.
    von Schéele, Fabian
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Haftor, Darek
    Linnaeus University, Faculty of Technology, Department of Informatics.
    The Time According to Taylor and Fayol: An Hampering Heresy in Information Society2015In: Psychology and Economics together for a better life : Conference Overview: IAREP - SABE Joint Conference: Sibiu, 2015 / [ed] Eugen Iordănescu, Cornelia Iordănescu, Gabriela Marcu, Aurelia Drăghici, EPIA , 2015, p. 388-394Conference paper (Refereed)
  • 31788.
    von Schéele, Fabian
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Haftor, Darek
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Time Distortion as a Metric for Information and Economy in Organizational Control2014In: Procedia Social and Behavioral Sciences: 3rd International Conference on Integrated Information (IC-ININFO) / [ed] Giannakopoulos, G; Sakas, DP; Vlachos, DS; KyriakiManessi, D, Elsevier, 2014, Vol. 147, p. 70-77Conference paper (Refereed)
    Abstract [en]

    Organizational management systems, for control and command, have attracted a great amount of research and debate since the very origin of management, as its underlying question is: how to manage human activity systems successfully? More recently, the so-called ‘Balanced Score Card’ approach has assumed dominance in managers’ practice. While that approach has its merits, it also has some important limitations; among others it ignores time and its relation to information. To deal with some aspect of this limitation, this paper introduces a metric, (e.g. mathematical model) funded upon information theory (entropy) that is linked through a notion of time-distortion to the economic performance of an organization. In this, a goal-related time- distortion, between a management system and its operating system, is a carrier of information with economic dependence. The proposed model shows, among others, that time-distortion influences economic performance dramatically, including a lever effect, while high information entropy does not necessarily imply high economic outcome.

  • 31789.
    von Schéele, Fabian
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Haftor, Darek
    Uppsala University, Sweden;Univ Econ & Human Sci Warsaw, Poland.
    Pashkevich, Natallia
    Södertörn University, Sweden.
    Cognitive time as a service price determinant: Hidden dynamics and price collapse2020In: Journal of Business Research, ISSN 0148-2963, E-ISSN 1873-7978, Vol. 112, p. 248-253Article in journal (Refereed)
    Abstract [en]

    A novel service price equation is advanced to explain how prices in the services market depend on service workers' cognitive time in relation to the actual clock time (physical time) that is contracted for a service. Cognitive time affects service revenues, costs, the targeted service profit, and budgeted service time. The equation shows how the cognitive time of service workers produces a hidden price-lever effect, in which the service price behavior becomes non-linear. A minor difference between the cognitive time and the physical time of a given service generates a significant change in the price level required to realize a targeted service profit. If the workload of a service worker is increased to a certain level, there is a potential service price collapse, implying that the service provider cannot reach the budgeted profit. This collapse condition further advances the emerging literature on behavioral pricing of services.

  • 31790.
    von Schéele, Fabian
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Haftor, Darek
    Uppsala University, Sweden.
    Pashkevich, Natallia
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Cognitive time distortion as a hidden condition of worker productivity2019In: Journal of Business Research, ISSN 0148-2963, E-ISSN 1873-7978, Vol. 101, p. 591-596Article in journal (Refereed)
    Abstract [en]

    The present study advances a novel productivity function of knowledge workers. Cognitive science studies provide clear evidence that, for a given event, there is a difference between a worker's cognitive time and physical clock time; this difference gives rise to a cognitive time distortion. The proposed productivity function accounts for workers' dual experiences of time and the kinds of contracts utilized by an economic organization and its customers and workers. This function shows-for the first time and contrary to intuition-that, given certain conditions, workers' cognitive time and the form of contracts utilized are the only conditioners of knowledge worker productivity. The proposed productivity function unearths a hidden economic lever effect whereby a minor degree of time distortion generates a significant level of worker inefficiency. This constitutes a novel contribution to the literature on knowledge worker productivity.

  • 31791.
    von Schéele, Fabian
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Ohlsson, Kjell
    Time control and time based key ratios in high school of the future2006In: Proceedings from the 9th QMOD conference in Liverpool/GB: 9th august – 12th august, 2006, 2006Conference paper (Refereed)
  • 31792.
    Von Wangenheim, Burkard
    et al.
    Kalmar county hospital, Sweden.
    Israelsson, Johan
    Kalmar county hospital, Sweden.
    Lindstaedt, Michael
    Kalmar county hospital, Sweden.
    Carlsson, Jörg
    Linnaeus University, Faculty of Health and Life Sciences, Department of Health and Caring Sciences. Kalmar County Hospital, Sweden.
    Halvautomatiska hjärtstartare tolkar inte alltid rätt: fem patienter defibrillerades trots icke-defibrillerbar rytm2015In: Läkartidningen, ISSN 0023-7205, E-ISSN 1652-7518, Vol. 112, no 32-33, p. 1-4Article in journal (Refereed)
    Abstract [sv]

    Halvautomatiska defibrillatorer är en viktig del i kampen mot plötslig hjärtdöd. 

    Höga krav på sensitivitet och specificitet vid rytmtolkning ska säkerställa effektivt och säkert bruk. 

    Vi rapporterar fem fall där brister i specificitet hos defibrillatorn ledde till defibrillering av icke-defibrillerbara rytmer.

    Systematisk undersökning av halvautomatiska defibrillatorers prestationsförmåga vid rytmtolkning är nödvändig och skulle kunna bidra till utveckling av förbättrade analysalgoritmer och utbildningsprogram.

  • 31793. Vonarnold, S
    et al.
    Hakman, Inger
    University of Kalmar, School of Pure and Applied Natural Sciences.
    Regulation of somatic embryo development in Picea abies by abscisic-acid (aba)1988In: Journal of plant physiology (Print), ISSN 0176-1617, E-ISSN 1618-1328, Vol. 132, p. 164-169Article in journal (Refereed)
  • 31794.
    Vos, Angeliki
    et al.
    Technological Educational Institute of Athens, Athens, Greece.
    Marinagi, Catherine
    Technological Educational Institute of Central Greece, Thiva, Greece.
    Trivellas, Panagiotis
    Technological Educational Institute of Central Greece, Thiva, Greece.
    Eberhagen, Niclas
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Giannakopoulos, Georgios
    Technological Educational Institute of Athens, Athens, Greece.
    Skourlas, Christos
    Technological Educational Institute of Athens, Athens, Greece.
    Electronic service quality in online shopping and risk reduction strategies2014In: Journal of Systems and Information Technology, ISSN 1328-7265, E-ISSN 1758-8847, Vol. 16, no 3, p. 170-186Article in journal (Refereed)
    Abstract [en]

    Purpose – This paper investigates risk reduction strategies in online shopping through the perspective of buyer's trust.

    Design/methodology/approach – An explanatory research approach is adopted in order to identify cause-and-effect relationships between e-quality and customers' loyalty, satisfaction and trust. This approach is accomplished through field research, which is based on a structured questionnaire that utilizes the E-S-QUAL tool, which is a multiple-item general scale for measuring electronic service quality. The sample is consisted of 92 e-buyers (consumers).

    Findings – The field research revealed that three e-quality dimensions, namely ease of use, customization and assurance, e-scape and responsiveness have significant positive effects on e-loyalty and e-satisfaction. Regarding e-trust, only customization and assurance exerts a significant positive effect.

    Research limitations/implications – The field research provides in depth understanding of relationships among e-loyalty, e-satisfaction, and e-trust. The majority of the respondents are young people living in Athens, Greece, highly educated with a relative low monthly income.

    Originality/value – This study investigates how trust is affecting the consumers' engagement to e-commerce, suggesting the appropriate security that should be taken in order to mitigate perceived risks. Reviewing security measures can help reduce risks of an e-company, and simultaneously enforce the level of trust and customers intentions to buy.

  • 31795.
    Vos, Angeliki
    et al.
    Linnaeus University, Faculty of Technology, Department of Informatics. Technological Educational Institute of Athens, Greece.
    Marinagi, Catherine
    Technological Educational Institute of Central Greece, Greece.
    Trivellas, Panagiotis
    Technological Educational Institute of Central Greece, Greece.
    Eberhagen, Niclas
    Linnaeus University, Faculty of Technology, Department of Informatics.
    Skourlas, Christos
    Technological Educational Institute of Athens, Greece.
    Giannakopoulos, Georgios
    Technological Educational Institute of Athens, Greece.
    Risk Reduction Strategies in Online Shopping: E-trust Perspective2014In: Procedia Social and Behavioral Sciences: 3RD INTERNATIONAL CONFERENCE ON INTEGRATED INFORMATION (IC-ININFO) / [ed] Giannakopoulos, G; Sakas, DP; Vlachos, DS; KyriakiManessi, D, Elsevier, 2014, Vol. 147, p. 418-423Conference paper (Refereed)
    Abstract [en]

    Abstract Several studies have shown that consumers perceive higher risks buying online than in conventional way. Perceived risks affect all purchase decisions and consumers' behavior, by deterring them to buy. These risks come from the lack of trust of shoppers toward online vendors' credibility. The main field of research in this paper is to investigate how trust is affecting the consumers engagement to e-commerce, in order to conclude in which security measures should be taken in order to mitigate perceived risks. A framework for a field research is also given in order to identify the causal relationships between electronic service quality and e-loyalty, e-satisfaction and e-trust.

  • 31796. Voulgaridis, E
    et al.
    Karastergiou, S
    Adamopoulos, Stergios
    Linnaeus University, Faculty of Technology, Department of Forestry and Wood Technology.
    Passialis, C
    Kortsalioudakis, N
    Koutsianitis, D
    Foti, D
    Voulgaridou, E
    Effect of laser drilling on the mechanical properties and impregnation of fir and spruce wood2015Conference paper (Refereed)
  • 31797. Voulgaridis, E
    et al.
    Passialis, C
    Adamopoulos, Stergios
    Wood quality characterization in black locust of different origin2000In: 3rd Workshop of COST Action E10: Wood properties for Industrial Use “Measuring of wood properties, grades and qualities in the conversion chains and global wood optimization”, 19-21 June, Espoo, Finland, 2000, p. 147-162Conference paper (Other academic)
  • 31798. Voulgaridis, Elias
    et al.
    Adamopoulos, Stergios
    Karastergiou, Sotirios
    Passialis, Costas
    Koutsianitis, Dimitrios
    Kortsalioudakis, Nathanail
    Petrakis, Panagiotis
    Moustaizis, Stavros
    Effects of laser drilling on mechanical properties and impregnability of fir and spruce wood2015In: Innovation in Woodworking Industry and Engineering Design, ISSN 2367-6663, no 1, p. 14-22Article in journal (Refereed)
    Abstract [en]

    Fir (Abies borisii regis) and spruce (Picea excelsa) wood specimens, 2 × 2 cm in cross section and 34 cm long, were prepared with true radial and tangential surfaces. All lateral surfaces of the specimens were drilled by laser to a depth of 4 mm (1/5 of specimen thickness) with two drilling patterns (distance between holes 1 × 1 cm and 1 × 2 cm). ). After drilling, the mechanical strength of wood (MOE, MOR, axial compression, toughness) was determined and compared with non-drilled controls. MOE was not affected by the laser drilling, MOR was significantly increased, axial compression was increased and toughness was decreased but not significantly. The overall results imply that strength properties do not decline by the laser drilling. Furthermore, wood specimens were impregnated with rape oil and CCB preservatives by applying vacuum (0.6 mmHg) and pressure (1,5 bars) for 15 minutes and 30 minutes, respectively. The results showed that both drilling patterns improved the retention and penetration of preservatives in fir and spruce wood specimens and, thus, are encouraging for further evaluating the drilling effects on the liquid permeability of these refractory to impregnation species. This effect was more pronounced in fir than in spruce wood.

  • 31799.
    Voulgaridis, Elias
    et al.
    Aristotle University of Thessaloniki, Greece.
    Adamopoulos, Stergios
    Technological Educational Institute of Thessaly, Greece.
    Passialis, Costas
    Aristotle University of Thessaloniki, Greece.
    Foti, Dafni
    Aristotle University of Thessaloniki, Greece.
    Voulgaridou, Eleni
    Aristotle University of Thessaloniki, Greece.
    Properties of gypsum bonded solid bricks manufactured with recovered wood and rubber2013In: Annual Meeting Prosylva Europe and 16th Panhellenic Forestry Conference , 6-9 October 2013, Thessaloniki, Greece, 2013Conference paper (Refereed)
    Abstract [en]

    Utilization of recovered wood fromparticleboard production residues and rubber from waste tires in the manufacture of solid bricks was investigated, using gypsum as bonding media. The manufacturing parameters were: small and large rubber and wood particles, different gypsum/wood/rubber ratios for each fraction (small, large), and different gypsum/water ratios. Cylindrical samples, produced by pouring the mixtures into cylindrical molds, were used for testing compressive strength, thermal conductivity and sound absorption according to standard methods.Compressive strength of all gypsum bonded wood and rubber samples was much lower than the controls, e.g. pure gypsum samples. It was found that the wood samplesand the larger fractions (both rubber and wood) were superior in strength than the rubber samples and small fractions, respectively. A maximum proportion25% of wood or rubber as well the use of reclaimed fibrous materials in the manufacture of samples would probably ensure an acceptable compressive strength. No differences were found among the wood/rubber typesfor thermal conductivity, while particle size and proportion of the materials had no effect. Samples with small wood and rubber particles at the lower proportion (25%) were similar in their sound absorption behaviour.

  • 31800.
    Voulgaridis, Elias
    et al.
    Aristotle University of Thessaloniki, Greece.
    Passialis, Costas
    Aristotle University of Thessaloniki, Greece.
    Adamopoulos, Stergios
    Technological Educational Institute of Larissa, Greece.
    ΑΝΑΓΝΩΡΙΣΗ ΞΥΛΙΝΩΝ ΕΥΡΗΜΑΤΩΝ ΑΠΟ TON ΤΑΦΙΚΟ ΤΥΜΒΟ ΤΗΣ ΜΙΚΡΗΣ ΔΟΞΙΠΑΡΑΣ-ΖΩΝΗΣ: Identification of the wooden finds from the Tumulus of Mikri Doxipara-Zoni2010In: ΑΛΟΓΑ ΚΑΙ ΑΜΑΞΕΣ ΣΤΟΝ ΑΡΧΑΙΟ ΚΟΣΜΟ: ΠΡΑΚΤΙΚΑ ΕΠΙΣΤΗΜΟΝΙΚΗΣ ΣΥΝΑΝΤΗΣΗΣ ΟΡΕΣΤΙΑΔΑ 30 ΣΕΠΤΕΜΒΡΙΟΥ 2006: Horses and Wagons in the Ancient World: Proceedings of One Day Scientific Meeting, Orestiada-Greece September 30, 2006 / [ed] Diamantis Triantafyllos, Domna Terzopoulou, Νομαρχία Έβρου , 2010, p. 151-173Conference paper (Other academic)
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