In this article we use a joint framework to investigate the effects on profit and size of Mexican microfirms from moving from the informal to the formal sector of the economy. Our analysis uses a multivariate Roy model, which allows us to study simultaneously the interaction between the...

We examine whether subsidies for conservation on working farmland induce farmers to expand cultivation on more vulnerable land, potentially offsetting reductions in environmental spillovers, using a switching regression model with endogenous switching and censored endogenous variables applied to...

Searching for an explanation for investment grades assigned to virtually bankrupt subnational governments in LDCs, we study the determinants of bond ratings for municipalities in Mexico. Our data set includes ratings from three agencies: S&P, Fitch, and Moody´s. To control for selectivity in...