Notes, Comments and Preliminary results Oct 07 2003 Michele Campolieti   On the estimation of hazard models with flexible baseline hazards and nonparametric unobserved heterogeneity   Abstract  Contact Information  Citation  Full Text  -  Note   Jul 20 2003 Michele Campolieti Campolieti   Disability insurance eligibility criteria and the labor supply of older men   Abstract  Contact Information  Citation  Full Text  -  Note