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1.
Rubinstein (1982) considered the problem of dividing a given surplus between two players sequentially, and then proposed a model in which the two players alternately make and respond to each other's offers through time. He further characterized the perfect equilibrium outcomes, which depend on the players time preferences and order of moves. Using both equal and unequal bargaining cost conditions and an unlimited number of rounds, two experiments were designed to compare the perfect equilibrium model to alternative models based on norms of fairness. We report analyses of final agreements, first offers, and number of bargaining rounds, which provide limited support to the perfect equilibrium model, and then conclude by recommending a shift in focus from model testing to specification of the conditions favoring one model over another. 相似文献
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3.
The paradox of new members occurs when the addition of one or more new members to a weighted voting body increases, rather than decreases, the voting power of some of the old members. Extending the computational work of Brams and Affuso (1976), the mean size of the paradox and the relative frequency of its occurrence are presented for small and moderate-size weighted voting bodies. Computational results are presented and conclusions are drawn for the two power indices of Shapley-Shubik and Banzhaf, three different decision rules, and voting bodies with or without dictator. Although the paradox cannot be dismissed as either contrived or improbable, its mean size in moderatesize voting bodies is sufficiently small to question its practical significance. 相似文献
4.
Amnon Rapoport 《Theory and Decision》1987,22(1):13-47
Summary and Conclusion The present paper addresses the problem of comparison of models ofpayoff disbursement in coalition formation studies which make point,line, or area predictions. A satisfactory solution to this problem is criticalfor model comparison, which has been the major focus of research oncoalition forming behavior during the last decade. The goal of this paperis to devise and subsequently apply a test procedure which, in comparingthe models to each other, offsets the advantage that the less specific modelhas over its competitor. In addition, the test procedure should employmeasures of error which yield intuitive results and are consistent with theprinciples underlying present coalition theories.It was contented that both the error measure of Bonacich and the netrate of success of Selten and Krishker suffer from serious deficiencies.Bonacich's approach allows for degrees of confirmation of a model butemploys an index of error which yields counterintuitive results. Theapproach of Seken and Krischker also defies intuition and commonpractice by treating all payoff vectors that do not fall in the model'sprediction set in exactly the same manner. The test procedure proposedin the present paper allows the prediction set of a model to expanduniformly in all the directions (dimensions) of the outcome space untilit encompasses all the observed payoff vectors which lie in this space. Indoing so it generates a function, called a support function, which relatesthe cumulative proportion of observed payoff vectors within the expand-ed set of predictions against the relative size of this set. By comparing toeach other the cumulative proportions for two different models when therelative sizes of their expanded predictions sets are held equal, theprocedure offsets the advantage possessed by the less specific modelwhich initially prescribes a larger or more dispersed prediction set.Like the index of error E devised by Bonacich, the procedure proposedin the present paper incorporates the intuitive idea that differentoutcomes diffentially confirm a theory if they are not contained in itsprediction set. Error is allowed to be continuous even if the theory underconsideration is algebraic. Statistical tests of algebraic theories in otherareas of psychology are almost always based on this assumption. Theprocedure also incorporates the shortest rather than the mean squareddistance between a payoff vector and a set of predicted payoff vectorsas the appropriate measure of error. The shortest distance is appropriatebecause coalition theories are mute with respect to the degree of importance, representativeness, of 'typicality' of the predictions they make.The procedure seems to yield satisfactory results. When applied to thetwo studies by Rapoport and Kahan (1976) and Kahan and Rapoport(1980) it has not favored models making line predictions over modelsmaking point predictions. It has established either strong or weak domi-nance relations between all pairs of models tested in these two studies.And it has confirmed the major conclusions of the two studies, which hadbeen originally reached by less rigourous tests of a smaller number ofmodels. 相似文献
5.
We examine bargaining behavior in a noncooperative game in which players alternate in making and responding to proposals over the division of a given surplus. Although the number of bargaining periods is unlimited and time is not discounted, the bargaining is subject to exogenous breakdown at each period with a fixed probability which is common knowledge. We manipulate three probabilities of break-down in a between-subjects design that allows comparison with previous studies of two-person bargaining with time discounting. Assuming that subjects maximize expected utility, and this utility is measured by monetary payoffs, our results reject both the subgame perfect equilibrium and equal split solutions. Data analyses reveal that a substantial percentage of subjects behave adaptively in that they systematically search for the highest acceptable demands. 相似文献
6.
Werner W. Boehm 《Journal of Social Work Education》2013,49(1):11-20
The discipline of history has been much neglected in curriculum planning in schools of social work at every level—undergraduate, MSW and Ph.D. The study of history may recover lost experiments in social service; it may provide the student with methods relevant to social analysis; it may provide models for apprentice social workers; and it may provide insights into social process. 相似文献
7.
Matthew A. Boehm Quinmill M. Lei Robin M. Lloyd 《Journal of American college health : J of ACH》2013,61(7):565-574
ABSTRACTObjectives: To examine how tobacco use and depression/anxiety disorders are related to disturbed sleep in college students. Participants: 85,138 undergraduate respondents (66.3% female, 74.5% white, non-Hispanic, ages 18–25) from the Spring 2011 American College Health Association–National College Health Assessment II database. Methods: Multivariate analyses of tobacco use (none, intermediate, daily) and mental health (diagnosed and/or symptomatic depression or anxiety) were used to predict sleep disturbance. Results: Daily tobacco use was associated with more sleep problems than binge drinking, illegal drug use, obesity, gender, and working >20 hours/week. Students with depression or anxiety reported more sleep disturbances than individuals without either disorder, and tobacco use in this population was associated with the most sleep problems. Conclusions: Tobacco use and depression/anxiety disorders are both independently associated with more sleep problems in college students. Students with depression and/or anxiety are more likely to be daily tobacco users, which likely exacerbates their sleep problems. 相似文献
8.
Amnon Boehm 《Business and Society Review》2002,107(2):171-194
Research studies on Corporate Social Responsibility (CRS) often focus on revealing corporate leaders’ attitudes toward various issues of CSR. The position of the present paper is that to understand CSR, we must grasp the collaborative perspective of CSR, and discern the attitudes of community leaders as well as corporate leaders. To this end, the study compares attitudes of community leaders with those of corporate leaders in three localities in Israel. The study examines various issues of CSR, highlighting the benefits to both community and corporation of reciprocal relations. Results from t‐tests confirmed significant differences between the groups. Some important implications for CSR particularly in terms of collaboration between community and corporation are discussed. 相似文献
9.
Testing for Measurement Invariance in the Satisfaction with Life Scale: A Comparison of Russians and North Americans 总被引:2,自引:3,他引:2
Kari L. Tucker Daniel J. Ozer Sonja Lyubomirsky Julia K. Boehm 《Social indicators research》2006,78(2):341-360
This study examined the comparability of Satisfaction With Life Scale (SWLS) [Diener, Emmons, Larsen, & Griffin, 1985, Social Indicators Research, 34: 7–32] scores across U.S. and Russian student and community groups. Criteria for weak measurement invariance were met
when comparing U.S. and Russian groups (combining student and community samples). Criteria for weak and strong measurement
invariance were met when comparing the U.S. and Russian student samples. However, when comparing the U.S. and Russian community
samples, the results showed a significant statistic for a baseline model, indicating a lack of comparability across samples.
The costs of failing to meet criteria for weak, strong, and strict measurement invariance are discussed.
An erratum to this article is available at . 相似文献
10.
Amnon Levy 《Journal of Socio》2009,38(1):168-172
Personal happiness might not solely depend on the individual's level of wealth but also on the individual's level of sincere social capital. This paper argues that if sincere interpersonal communication is sensitive to economic status disparities, the accumulation of personal wealth beyond the community's average erodes the individual's sincere social capital. A measure of sincere social capital that is based on such sensitivity is constructed. Its consideration leads to the depiction of the individual's happiness-wealth relationship as an inverted U-shaped curve that peaks at personal wealth that is greater than the community mean. 相似文献