Im ersten Teil der Arbeit werden umweltpolitische Entscheidungen unter Unsicherheit analysiert. Nach einem Aufriss des Problems der globalen Erwärmung und der damit verbundenen Unsicherheiten und Handlungsoptionen wird die unreflektierte Verwendung der Konzepte der Vermeidungskosten sowie des...

Existing theoretical literature fails to explain satisfactorily the differences between the pay of workers that are covered by collective agreements and others who are not. This study aims at providing a model framework which is amenable for an analysis of this issue. Our general-equilibrium...

[...]Der Beitrag illustriert, wie sich Koorperation und Konkurrenz im Projektmanagement koppeln lassen, und leifert eine Abschätzung des Potentials von Coopetition auf der Basis von Kosten-Nutzen-Überlegungen.

The robust empirical finding that exporting firms are systematically different from firms thatmerely serve domestic consumers has inspired the development of a new brand of tradetheory, the theory of heterogeneous firms and trade. The establishment of a canonical modeldue to Melitz (2003) has...

Armchair evidence shows that many industries are made of a few big commercial ormanufacturing firms, which are able to affect the market outcome, and of a myriad of smallfamily-run businesses with very few employees, each of which has a negligible impact on themarket. Examples can be found in...

We analyze the equilibrium and the optimal resource allocations in a monocentric city undermonopolistic competition. Unlike the constant elasticity of substitution (CES) case, wherethe equilibrium markups are independent of the city size, we present a variable elasticity ofsubstitution (VES)...