A stylized monopolistic competition model of international trade is proposed where firms differ with respect to the expected economic lifetime of their innovations. Upon entry, they receive a commonly observed signal which is updated over time. Jointly with partial irreversibility of investment,...

Die Wahl zum Europäischen Parlament Ende Mai 2019 hat einige Entwicklungen gezeigt: Die Wahlbeteiligung ist deutlich gestiegen, die großen Volksparteien haben Verluste erlitten, aber der befürchtete Siegeszug der europaskeptischen und populistischen Parteien blieb aus. Angesichts der auf...

Summary In this paper we set up a simple theoretical framework to study the possible source country effects of skilled labor emigration from developing countries. We show that for given technologies, labor market integration necessarily lowers GDP per capita in a poor source country of...

Growth theory predicts that natural disasters should, on impact, lower GDP per capita. However, the empirical literature does not offer conclusive evidence. Most existing studies use disaster data drawn from damage records of insurance companies. We argue that this may lead to estimation bias as...

Increasing wage inequality between similar workers plays an important role for overall inequality trends in industrialized societies. To analyze this pattern, we incorporate directed labor market search into a dynamic model of international trade with heterogeneous firms and homogeneous workers....