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Analyzing the neutrality of referees during 12 German premier league (1. Bundesliga) soccer seasons, this paper documents evidence that social forces influence agents’ decisions. Referees, who are appointed to be impartial, tend to favor the home team by systematically awarding more stoppage time in close matches in which the home team is behind. They also favor the home team in decisions to award goals and penalty kicks. Crowd composition affects the size and the direction of the bias, and the crowd’s proximity to the field is related to the quality of refereeing. (JEL J00)  相似文献   
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This paper explores the influence of U. S. macroeconomic conditions and the international trade position on protectionist pressures as measured by escape clause cases brought before the International Trade Commission. Several possible difficulties with Takacs' pioneering empirical study of this topic are considered. It is argued that while further support is found for her principal conclusion that the state of the domestic economy is a significant determinant of such protectionist pressures, the quantitative strength of such aggregate factors is less than was suggested by Takacs' original study.  相似文献   
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Pictures in historical chapters of textbooks convey information about the values and assumptions of the authors'professions and the larger culture. We scrutinized 15 recent abnormal psychology textbooks for reproductions of art created before 1900. Thirteen works appeared in three (20%) or more textbooks. Overall, these pictures support a "Whiggish" account of history that celebrates the present and gives a distorted, incomplete rendering of the past. The 13 pictures tended to depict the mentally ill as an underclass who are released from their literal and metaphorical shackles by men who are "ahead of their time" in their struggles against prevailing ignorance. The pictures also emphasized the difference of the mentally ill by presenting a catalogue of stereotypic visual elements attributed to insanity throughout Western history. We argue for the inclusion in textbooks of "history for the sake of the past" as a way of genuinely engaging different ideologies and thereby stimulating interest in our own implicit values and biases.  相似文献   
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The proportional hazards assumption of the Cox model does sometimes not hold in practise. An example is a treatment effect that decreases with time. We study a general multiplicative intensity model allowing the influence of each covariate to vary non-parametrically with time. An efficient estimation procedure for the cumulative parameter functions is developed. Its properties are studied using the martingale structure of the problem. Furthermore, we introduce a partly parametric version of the general non-parametric model in which the influence of some of the covariates varies with time while the effects of the remaining covariates are constant. This semiparametric model has not been studied in detail before. An efficient procedure for estimating the parametric as well as the non-parametric components of this model is developed. Again the martingale structure of the model allows us to describe the asymptotic properties of the suggested estimators. The approach is applied to two different data sets, and a Monte Carlo simulation is presented.  相似文献   
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This article reports the fourth in a continuing series of casestudies that explore the impact of news media investigativejournalism on the general public, policymakers, and public policy.The media disclosures in this field experiment had limited effectson the general public but were influential in changing the attitudesof policymakers. The study describes how changes in public policymakingresulted from collaboration between journalists and governmentofficials. The authors develop a model that is a beginning steptoward specifying the cond6itions under which media investigationsinfluence public attitudes and agendas.  相似文献   
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ECONOMICS AS A HARD SCIENCE: REALISTIC GOAL OR WISHFUL THINKING?   总被引:1,自引:0,他引:1  
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In a recent article in this Journal Browning and Culbertson (hereafter B-C) extended the theoretical investigation of the predicted effects of maximum price controls to the competitive firm and deduced an excess capacity result. In this note we extend their analysis to derive long-run adjustment paths for the industry for changes in market demand or control prices. The importance of such an extension is that the relevant industry adjustment path is different depending on whether one considers changes in the control price through such mechanisms as cost pass-throughs or through changes in industry demand. To make this extension meaningful, however, we must first consider the link between the firm and market diagrams in B-C's model. Section I is devoted to the analysis. Section II offers some concluding remarks.  相似文献   
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