When we started the development of our CD to support the teaching of our basic statistic courses our work was twofold: we had to develop the content and the necessary software ourselves. Maintaining our software development in a university environment turned out to be especially difficult since...

Linguistic distance, i.e. the dissimilarity between languages, is an important factor influencing international economic transactions such as migration or international trade flows by imposing hurdles for second language acquisition and increasing transaction costs. To measure these costs, we...

We use a newly available measure of linguistic distance developed by the German Max Planck Institute for Evolutionary Anthropology to explain heterogeneity in language skills of immigrants. This measure is based on an automatical algorithm comparing pronunciation and vocabulary of language...

This paper analyses the wage premia associated with workers' occupational use of foreign languages in Germany. After eliminating time-invariant unobserved heterogeneity and other confounding factors, sizable returns of about 10 percent to applying fluent English skills are found. Returns to...

We study the relation between the off-shoring of intermediates and services and productivity growth in the Italian manufacturing industries in 1995-2003. Our results indicate that the off-shoring of intermediates within the same industry ("narrow off-shoring") is beneficial for productivity...