This article uses the Hungerford and Solon Test [1987] for calculating the sheepskin effect of returns from the education in Colombian labour market in 2000. It was found that the secondary school graduates enjoyed 13% returns whilst a university degree led to 17% returns. The Hungerford and...

This article uses the Hungerford and Solon Test [1987] for calculating the sheepskin effect of returns from education in the Colombian labour market in 2000. It was found that secondary school graduates enjoyed 13% returns whilst a university degree led to 17% returns. The Hungerford and Solon...

In this paper, we perform an extensive Monte Carlo study of the finite sample properties of different estimators for panel data sample selection models. The estimators investigated are various two-step estimators and maximum likelihood estimators with simultaneous equations for the samle...