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551.
552.
The repeated prisoner's dilemma game is converted into a differential game by assuming that the players, instead of making decisions individually for each repetition of the prisoner's dilemma game, make decisions on the ratio of cooperative and noncooperative games that they wish to play over the next few moves, and that the actual plays are then determined using this ratio and a randomizing procedure. Although it sounds like a significant departure, this assumption is probably not too different from reality.Since each player can always obtain by his own action at least the payoff which he would receive from the noncooperative-noncooperative pair of strategies, that part of the differential game which is dominated by such a dual noncooperative strategy for either player is an unlikely outcome. This dominated area can be readily computed for any game, including those with more than two players.Formal testing with empirical data was impossible because of uncertainty about the proper null hypothesis. Nevertheless, experimental results reported by Rapoport are consistent with the theory.The authors are, respectively, Graduate Research Asistant in Economics and Professor of Economics and Public Choice at Virginia Polytechnic Institute and State University. 相似文献
553.
The role of human and organizational factors in predicting accidents and incidents has become of major interest to the UK offshore oil and gas industry. Some of these factors had been measured in an earlier study focusing on the role of risk perception in determining accident involvement. The current study sought to extend the methodology by focusing on perceptions of organizational factors that could have an impact on safety. A self-report questionnaire was developed and distributed to 11 installations operating on the UK Continental Shelf. A total of 722 were returned (33% response rate) from a representative sample of the offshore workforce on these installations. The study investigated the underlying structure and content of offshore employees' attitudes to safety, feelings of safety and satisfaction with safety measures. Correlations and step-wise regression analysis were used to test the relationships between measures. The results suggest that 'unsafe' behaviour is the 'best' predictor of accidents/near misses as measured by self-report data and that unsafe behaviour is, in turn, driven by perceptions of pressure for production. 相似文献
554.
Social scientific work on argumentation is yet to address the perennial tension between social cognition and social constructionism. Moreover, argumentation-based qualitative analysis protocols are needed for interview and textual data. Nonetheless, argumentation models remain too complex to reflect everyday argumentation and are not necessarily reflective of underlying cognitive processes. This presents the need for further theorising social behaviour, with a view to formulating a model of argumentation that (a) is parsimonious, and (b) aligns with the literature on joint projects, due to the fact that in social cognition terms, argumentation is for doing. In this paper, we draw upon interdisciplinary literature on argumentation, noting convergences among different approaches. We then proceed to consider the socio-cognitive bedding provided by Lay Epistemic Theory, to present our Minimal Model of Argumentation (MMA). In MMA, interlocutors are held to make claims concerning an issue of concern, and defend them using warrants, evidence and qualifiers. We end by providing empirical examples supporting the utility of our model in qualitative research. 相似文献
555.
The management of inventories and determination of transportation policy are normally carried out by different groups of people in an organization. These activities interact, however, when the transportation is used to replace inventory and when the transportation alternatives have different speed, reliability, and cost characteristics. This paper presents exact and heuristic procedures for jointly determining the inventory reorder points, order quantities, and transportation alternatives that provide minimum total transportation and inventory costs. The effectiveness of each procedure is demonstrated for a broad range of problems. The heuristic procedure was also applied to actual company data to determine the potential for cost savings. The results showed that savings were possible both from improving the current procedures and from applying the procedure developed in this study. 相似文献
556.