The dissertation consists of two main parts. The first part presents a search model with non-stationary reservation wages. In the model the reservation wage declines over time and at a certain point is equal to utility of non-participation, after which it is not optimal to search and workers...

Immigrants consist of foreigners and citizens with migration background. We analyze the wage gap between natives and these two groups in Germany. The estimates show a substantial gap for both groups with respect to natives. Discarding immigrants who completed education abroad reduces much of the...

Immigrants consist of foreigners and citizens with migration background. We analyze the wage gap between natives and these two groups in Germany. The estimates show a substantial gap for both groups with respect to natives. Discarding immigrants who completed education abroad reduces much of the...

This paper investigates the economic returns to language skills and bilingualism. The analysis is staged in Kazakhstan, a multi-ethnic country that has switched its official state language from Russian to Kazakh since 1997. Using two newly assembled data sets, we find negative returns to...