To discuss generalized estimating equations as an extension of generalized linear models by commenting on the paper of Ziegler and Vens “Generalized Estimating Equations: Notes on the Choice of the Working Correlation Matrix”. Methods: Inviting an international group of experts to comment on...

This paper discusses the problems facing the Mexican economy. It operates under a heavy burden of monopoly and regulation. We focus on two issues that should receive more attention in discussions of Mexican policy. (1) The family is under stress in Mexico and this retards the growth of skills of...

Using the NLSY79 and the NLSY79 Children and Young Adults datasets, this paper formulates, provides conditions for parametric and non-parametric identification and empirically estimates the parameters of an altruistic model of parental preschool investment within a structural dynamic programming...