This paper summarizes additional evidence indicating that much on-the-job training appears to be "specific" in that workers do not pay for such training in the form of lower starting wages. The paper then considers reasons why workers and firms might limit the portability of training. One...

This dissertation studies economic issues posed by illicit drug testing. The firm's decision to adopt a drug testing program is analyzed in the context of a matching model. Essay one studies the labor market effects of preemployment drug testing. While drug testing enhances productive...

This dissertation attempts to construct an explicit theory of unemployment. The basic framework is a revised Hansen's real business cycle (RBC) model with divisible labor. Search theory is incorporated to remedy the inadequacy in RBC's modeling the labor market. Unemployed workers or firms with...