The paper addresses the issue of linguistic diversity and its impact on economic policy and political decisions. Importance of the topic is illustrated by examination of optimal sets of official languages in the European Union. It is shown that alternative estimation methods of language...

We consider a model with two industrialized countries facing a flow of high-skilled immigrants from the "rest of the world". The countries, that choose immigration quotas, differ in degree of labor complementarity between the natives and immigrants, the population size, and level of cultural...

In a standard dynamic stochastic general equilibrium framework, with sticky prices, the cross sectional distribution of output and inflation across a population of firms is studied. The only form of heterogeneity is confined to the probability that the ith firm changes its prices in response to...