We develop a model of international trade with heterogeneous firms and endogenous quality choices. Producing higher quality involves returns to scale, it is intensive in skilled labor and high-quality inputs. Firms' quality choices are interrelated because firms sell their goods to consumers and...

Many changes are influencing the working situation of drivers in the transport sector, mainly internationalization and globalization impacts for example by regulations from the European Union or competitive forces putting pressure on costs and wages. Interestingly the main research and political...

We develop a model of international trade with heterogeneous firms and endogenous quality choices. Producing higher quality involves returns to scale, it is intensive in skilled labor and high-quality inputs. Firms' quality choices are interrelated because firms sell their goods to consumers and...

Franziska Bernadette Hampf prepared this study while she was working at the ifo Center for the Economics of Education. The study was completed in September 2019 and accepted as doctoral thesis by the Department of Economics at the University of Munich. It consists of four distinct empirical...

US universities have attracted hundreds of thousands of international students each year for the last decade. Some of these remain in the US after graduating and contribute to the high skilled labor supply in US labor markets. In this paper, we identify and estimate by how much one more...