The 'Canada Dry' pensions system is in some countries one of the frequent routes to early retirement. It constitutes an informal substitute for early retirement programs. Accordingly, firms lay off aged workers they find costly for what they produce and, to get their support, supplement...

This paper studies the design of retirement and disability policies. It illustrates the often observed exit from the labor force of healthy workers through disability insurance schemes. Two types of individuals, disabled and leisure-prone ones, have the same disutility for labor and cannot be...

In many countries pension systems involve some form of earnings test; i.e., an invidual's benefits are reduced if he has labor income. This paper examines whether or not such earning tests emerge when pension system and income tax are optimally designed. We use a simple model with individuals...

This paper studies the optimal non linear income tax of couples. We build a general unitary model of labor supply and allow multidimensional heterogeneity in a discrete type framework. We concentrate our analysis on the resulting intra-family labor allocation of labor supplies and show that this...