How does leadership work in teams? In this paper, leadership is grounded on both the possession of a private information by the leader and by her ability to communicate credibly with followers in order to induce them to expand high efforts. This paper reports an experiment testing the efficiency...

Many empirical studies have shed light on the efficiency of peer pressure. I propose here to model peer pressure by incorporating in the utility function self centered inequity aversion. I find that opportunity for sufficiently inequity averse players to punish their peers, is effective in...

This paper aims to study the structure of international trade. It establishes, through a simple formalization of exchange coefficients, that many theorems can be proved on a function of the macroscopic structure (the determinant of the matrix). This determinant is the cornerstone of indicators...