A correct parametric approximation of the productivity distribution is essential to calculate Gains From Trade (GFT) in heterogeneous firms models. This paper argues that heterogeneity in productivity is best captured by Finite Mixture Models (FMMs). FMMs build on the existence of unobserved...

In this paper we propose an explanation for the substantial migration inflows that occurred in North-Western Europe in the 1960s using a modified Heckscher-Ohlin model to show how migration inflows and the product specialisation pattern were linked to the skill premium of countries. In the...

We analyse the immigration flows to Western Europe in the sixties. We develop a theoretical model tailored to account for some of the key features of this period, i.e., trade in manufacturing that essentially involved advanced countries, the growing administration of labour markets in Western...