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...

[eng] In this paper our aim is to analyse the specific ways in the evolution and transformation of the patterns of qualification in the industrial «filières». We use statistical tools, because we define qualification as a mesurable concept.. In this basis, we modelise the structural...

[eng] This article aims at providing systematic insights into recent works devoted to the analysis of the consequences of innovation on the volume of employment. We intend less to provide a complete survey on this topic than to emphasise the importance of churning when analysing the dynamics of...

[fre] Au cours des années trente, les théoriciens de la croissance ont défini la neutralité du progrès technique en considérant seulement deux facteurs de production homogènes : le travail et le capital. Aujourd'hui, cette notion sert à étudier l'impact des nouvelles technologies sur le...

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...