The first chapter of my thesis develops and estimates a dynamic structural partial equilibrium model of schooling and work decisions.  The estimated model explicitly accounts for the simultaneous choice of enrolling in school and working.  It also allows for endogenous leisure choices,...

This thesis is organized in three chapters. In the first two chapters, an econometric model selection procedure and a method to improve some existing estimators are proposed. In the third chapter, a theoretical microeconomic analysis of herd behavior is performed under a fairly new set of...