Dietmar Fehr

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Any opinions expressed here are those of the author(s) and not those of IZA. Research published in this series may include views on policy, but the institute itself takes no institutional policy positions. The Institute for the Study of Labor (IZA) in Bonn is a local and virtual international research center and a place of communication between science,(More)
While viral infections and their impact are well studied in domestic cats, only limited information is available on their occurrence in free-ranging lions. The goals of the present study were (i) to investigate the prevalence of antibodies to feline calicivirus (FCV), herpesvirus (FHV), coronavirus (FCoV), parvovirus (FPV), and immunodeficiency virus (FIV)(More)
Any opinions expressed here are those of the author(s) and not those of IZA. Research published in this series may include views on policy, but the institute itself takes no institutional policy positions. The Institute for the Study of Labor (IZA) in Bonn is a local and virtual international research center and a place of communication between science,(More)
The authors show how the influence of extrinsic random signals depends on the noise structure of these signals. They present an experiment on a coordination game in which extrinsic random signals may generate sunspot equilibria. They measure how these signals affect behavior. Sunspot equilibria emerge naturally if there are salient public signals. Highly(More)
For helpful comments we thank Dorothea Kübler, Radosveta Ivanova-Stenzel, Axel Werwatz and the seminar participants at the Technical University of Berlin, the European Business School and the EEA conference 09. We are indebted to Kai Priesack, Wei Min Wang and Mark Henninger for research assistence and for help with conducting the experiments. We also thank(More)
This paper examines the economic origins of the Islamic revival in Egypt. We provide the first systematic evidence of a decline in social mobility among educated youth in Egypt starting in the mid-1980s. A behavioral model of religion is then developed in which religion helps to cope with loss, which occurs when one's consumption falls below an(More)
Discussion papers of the WZB serve to disseminate the research results of work in progress prior to publication to encourage the exchange of ideas and academic debate. Inclusion of a paper in the discussion paper series does not constitute publication and should not limit publication in any other venue. The discussion papers published by the WZB represent(More)
Discussion papers of the WZB serve to disseminate the research results of work in progress prior to publication to encourage the exchange of ideas and academic debate. Inclusion of a paper in the discussion paper series does not constitute publication and should not limit publication in any other venue. The discussion papers published by the WZB represent(More)
While social relationships play an important role for individuals to cope with missing market institutions, they also limit individuals' range of trading partners. This paper aims at understanding the determinants of trust at various social distances when information asymmetries are present. Among participants from an informal housing area in Cairo we find(More)