We look at the effect of transparency on the incidence of costly back-scratching in a laboratory setting by implementing player identification via photographs. In our experimental design players have an incentive to form bilateral alliances in which they favour their partner at the expense of...

We develop a new experiment to study the emergence of welfare-reducing bilateral alliances within larger groups, and the effectiveness of institutional interventions to curtail this reciprocal alliance behaviour. In each of the 25 rounds of our experiments, a player (the 'allocator') nominates...

Defensive innovations in developed countries can explain the empirical phenomenon that openness towards trade with less-developed countries does not necessarily induce a substantial increase in the wage differential and trade volumes. Building on step-by-step innovations as introduced by Aghion...

The focus of this paper is on the choice of the unemployed between becoming an entrepreneur or not. It contributes to the literature by empirically investigating two hitherto neglected issues: What is the impact of risk aversion and personal contact with a role model in shaping the decision to...

Ever since Goldin (1995) proposed the idea that there is a U-shaped female labor force participation rate function in economic development, empirical research is stunned by the question why the countries of the Middle East and North Africa (MENA) are characterized by such low rates of female...

This paper examines the reflexive interplay between individual decisions and social forces to analyze the evolution of cooperation in the presence of "multi-directedness," whereby people's preferences depend on their psychological motives. People have access to multiple, discrete motives....