This dissertation considers the determinants of individual careers within firms and it is articulated into two chapters. The first chapter analyzes a learning model in which a firm and a worker can acquire information about the worker's ability by observing his performance at different tasks....

This paper examines the prices of basic staples in rural Mexico. We document that nonlinear pricing in the form of quantity discounts is common, that quantity discounts are sizable for basic staples, and that the well‐known conditional cash transfer program Progresa has significantly increased...

offered to players in Major League Baseball, focusing on hitters.

We introduce human capital accumulation, in the form of learning by doing, in a life cycle model of career concerns and analyze how human capital acquisition a ects implicit incentives for performance. We show that standard results from the career concerns literature can be reversed in the...

In the Great Contraction, regions of the United States that experienced the largest change in household debt to income ratios also experienced the largest drops in output and employment. Such output drops not only occurred for firms that sell primarily to a local region but also for regional...

In this appendix I present details of the model and of the empirical analysis and results of counterfactual experiments omitted from the paper. In Section 1 I describe a simple example that illustrates how, even in the absence of (technological) human capital acquisition, productivity shocks, or...

This paper develops and structurally estimates an equilibrium model of the labor market that integrates learning, job assignment, and human capital acquisition to account for the main patterns of job and wage mobility characteristic of careers in firms. A key innovation is the modeling of...