Degressivity of unemployment benefits is a major feature of social protection in most industrialised countries: the replacement rate (the ratio between the level of welfare benefits and the previous income) typically declines with the length of the unemployment spell. Moreover degressivity of...

This working paper contains the first results of a questionnaire that was conducted in May 2004 (May, 8-9) among 331 students of the Addis Ababa University to know their opinion about democracy and the political preferences they express through voting. The paper takes the form of the...

We investigate the extent to which price deviations from fundamental values in an experimental asset market are due to the uncertainty of subjects regarding others' rationality. We do so by comparing the price forecasts submitted by subjects in two market environments: (a) all six traders are...

To what extent is the observed mis-pricing in experimental asset markets caused by strategic uncertainty (SU) and by individual bounded rationality (IBR)? We address this question by comparing subjects initial price forecasts in two market environments - one with six human traders, and the other...

We provide experimental evidence of workers' ingratiation by opinion conformity and of managers' discrimination in favor of workers with whom they share similar opinions. In our Baseline, managers can observe both workers' performance at a task and opinions before assigning unequal payoffs. In...

Vaccination campaigns to prevent the spread of epidemics are successful only if the targeted populations subscribe to the recommendations of health authorities. However, because compulsory vaccination is hardly conceivable in modern democracies, governments need to convince their populations...