The five chapters of this dissertation deal with the topic of trade under different kinds of uncertainty. In the first chapter, the impact of exchange rate uncertainty on exports of European countries is investigated with a special focus on short-term effects, sectoral differences and the impact...

We estimate the relationship between productivity and trade for a panel of countries over the period 1980 to 2000 using instrumental-variables estimation of a productivity equation. We note that some estimates of productivity gains attributed to trade capture instead the roles of institutions...

The main aim of this paper is to investigate the political determinants of international arms transfers. We distinguish between the decision to exports arms (extensive margin) and the value of the arms exported (intensive margin). A theoretically-justified gravity model of trade augmented with...

This paper uses an augmented gravity model of trade to investigate the link between German development aid and sectoral exports from Germany to the aid recipient countries. The findings indicate that in the long run each dollar of German aid is associated with an average increase of 0.83 US...