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...

This paper posits a new approach to the 'wage equation' of the New Economic Geography (NEG). On one side, it is shown that the NEG provides a spatial explanation of marginal costs, instead of wages. On the other side, and focusing on the statistical properties of the data, it is explained why...