This paper models the bias from using potential vs actual experience in log wage models. The nature of the problem is best viewed as specification error as opposed to classical errors-in-variables.We correct for the discrepancy between potential and actual work experience and create a predicted...

This paper develops a theoretical model of optimal schooling levels where ability and family background are the central explanatory variables. We derive schooling demand and supply functions based on individual wealth maximization. Using the National Longitudinal Survey of Youth 1979 data, we...

This paper studies the effects of generic entry on post-patent price competition for 18 prescription drugs recently exposed to competition. An independent, validating test of the “generic competition paradox” is conducted using a newly created data set. Each generic entrant is associated...

Between 1996 and 2003, a series of amendments were made to the Tax Reform Act of 1986 that gradually increased the tax credit for health insurance purchases by the self- employed from 25 to 100 percent. We study how these changes have in uenced the likelihood that a self-employed person has...

We investigate the eect of speaking Spanish at home as a child on completed schooling and aptitude test scores using data on Hispanics who grew up in the U.S. from the NLSY79. We model the accumulation of traditional human capital and English uency, leading to the joint determination of...