We present a measure of the correlation between the education levels of spouses based on a bivariate ordered probit model. The change in this correlation over time can be measured while controlling for the large changes in the educational attainment levels. The model is estimated with data from...

We study the dispersion of wages of full-time full-year workers over two decades controlling for both education and experience. Applying non-parametric statistical methods we find statistically significant and large increases in inequality for males with low levels of education and experience...

We propose a family of transformations which, unlike the Box-Cox transformation, can sensibly be applied to variables of either sign which may be near or far from zero. We derive two forms of Lagrange multiplier test for the null hypothesis that the dependent variable has not been transformed...