Game theory is usually difficult to test precisely in the field because predictions typically depend sensitively on features that are not controlled or observed. We conduct one such test using field data from the Swedish lowest unique positive integer (LUPI) game. In the LUPI game, players pick...

Diese Studie untersucht mit Hilfe eines neu verfügbaren Datensatzes aus Prozessdaten der Bundesagentur für Arbeit, der Stichprobe der integrierten Erwerbsbiographien, die Wirkung einer verpflichtenden Beschäftigungsquote für schwerbehinderte Arbeitnehmer in Deutschland. Wir nutzen die...

This paper discusses a model of vertical an horizontal product differentiation within the Dixit-Stiglitz framework of monopolistic competition. Firns coompete not only in prices and horizontal attributes of their products, but also in the quality that can be controlled by R&D activities. Based...

We analyze the optimal dynamic scale and structure of a two-sector-economy, where each sector produces one consumption good and ons specific pollutant. Both pollutants accumulate at different rates to stocks which damage the natural environment. This acts as a dynamic driving force for the...

This paper aims to determine if the contingent valuation method (CVM) can provide valid results useful in policy-making. This will be investigated by using a CV study that captures the willingness to pay (WTP) for the municipal cultural supply in Lueneburg, Germany. In contrast to previous CV...

This paper examines whether the labor market prospects of Arab men in England are influenced by recent Islamistic terrorist attacks and the war on Iraq. We use data from the British Labour Force Survey from Spring 2001 to Winter 2006 and treat the terrorist attacks on the USA on September 11th,...

Using unique new data and a recently introduced non-linear decomposition technique this paper shows that the huge difference in the propensity to export between West and East German plants is to a large part due to differences in firm size and human capital intensity.

This paper examines the effects of credit market imperfections and idiosyncratic risks on occupational choice, capital accumulation, as well as on the income and wealth distribution in a two sectore heterogeneous agent general equilibrium model. Workers and firm owners are subject to...

A recent survey of 54 micro-econometric studies reveals that exporting firms are more productive than non-exporters. On the other hand, previous empirical studies show that exporting does not necessarily improve productivity. One possible reason for this result is that most previous studies are...