This paper compares the structure and the development of new firm formation activity in three German regions. The two East German regions, Dresden and Rostock, show significantly higher start-up rates than the West German region Karlsruhe. The analysis of entry cohorts reveals that not only the...

We study the prevalence and traits of global collaborative patents for U.S. public companies, where the inventor team is located both within and outside of the United States. Collaborative patents are frequently observed when a corporation is entering into a new foreign region for innovative...

Motivated by the recent reversal in labor productivity growth, this paper is analyzing the relationship between R&D expenditures and productivity. Time series data of the German manufacturing industry is used to estimate a variable cost function, with the stock of knowledge being modeled as a...

Modern (endogenous) growth theory tells us that knowledge spillovers are crucial for the growth of high-income economies. Against this background the paper provides a survey of theoretical and empirical findings highlighting the question of how geographically limited knowledge diffusion can help...

This paper investigates the effects of employee mobility on industry evolution and technology diffusion by testing a dynamic industry equilibrium model introduced in Franco and Filson (1999). The model focuses on a particular type of employee mobility: researchers can leave existing firms and...

Migration and trade are often linked through ethnic networks boosting bilateral trade. This study uses migration to quantify the importance of Ricardian technology differences for international trade. The framework provides the first panel estimates connecting country-industry productivity and...