This paper contributes to the discussion on the importance of physical distance in the emergence of cross-region collaborative Research and Development (R&D) interactions. The proximity theory, and its extensions, is used as a theoretical framework. A spatial interaction model for count data was...

Informationally efficient prices are a necessary requirement for optimal resource allocation in the real estate market. Prices are informationally efficient if they reflect buildings’ benefit to marginal buyers, thereby taking account of all available information on future market development....

The last decades were characterized by large increases in world trade, not only in absolute terms, but also in relation to world GDP. This was in large parts caused by increasing exchanges of parts and components between countries as a consequence of international fragmentation of production....

An Hand von Managementregeln nachhaltiger Ressourcennutzung werden Umwelt-schutzinvestitionen gruppiert. Mit dieser Klassifikation wird untersucht, wie sich Um-fang und Struktur der Nachfrage von Förderkrediten für nachhaltigkeitsrelevante (vor-sorgende) Umweltschutzinvestitionen in der...

In 2004, European competition law had been faced with considerable changes due to the introduction of the new Council Regulation No. 1/2003. One of the major renewals was the replacement of the centralized notification system for inter-company cooperations in favor of a so-called legal exemption...

In 2003 tax revenue in the new Länder were about 30% of the level in the old Länder. The survey analyses the current situation, the structures and the development since unification. The paper concludes that caused by the current tax system a further convergence of tax receipts could not have...

Many empirical studies consider either training activities of the unemployed or training activities of the employees in Germany. However, a comprehensive comparison of both groups is missing. The paper closes this gap. Using data of the latest time use survey (Zeitbudgeterhebung) of the Federal...