The paper mainly addresses three questions: 1) do workers tend to be employed by employers of the same ethnic group; 2) what is the structure of the equilibrium wage contract; and 3) do more ethnically homogeneous labour markets tend to have different labour contracts than more ethnically...

We consider a dual labor markets model in which the primary sector requires the presence of eMiciency wage, while the secondary sector is competitive. We show that the Solow condition does not hold in a Stackelberg equilibrium where the primary sector acts as a leader and the secondary one as a...

[fre] Analyses du chômage de longue durée et du chômage récurrent - le cas de la France, . par Marie-Christine Challier, Mohamed Jellal. . . L'étude de la structure du chômage de longue durée permet d'abord de révéler divers effets, appelés effet-cohorte, effet-ancienneté,...

In this paper, we extend the framework of the motives for familial solidarities to three generations. By focusing on upward transfers, we examine the demonstration effect hypothesis where individuals make transfers to their parents in order to be helped in return by their children. We show the...

We consider a finite number of firms, which compete imperfectly for heterogeneous workers. Firms produce a homogeneous good, sold on a competitive market, and face demand-induced price fluctuations. It is then shown that unemployment may arise in equilibrium because of both uncertainty of...

We consider the role of asymmetric information on the emergence of collusion between criminals and enforcers, in the framework proposed by Bowles and Garoupa (1997) and Polinsky and Shavell (2001). Our Paper proposes that the optimal criminal sanction for the underlying offense is not...