ZEW Discussion Papers

The Value at Risk approach (VaR) is more and more used as a tool for risk measurement. The approach however has shortcomings both from a theoretical and a practical point of view. VaR can be classified within…

This paper deals with the conditions of effective transfer of technology from Universities and public research institutions to small and medium-sized enterprises. The theoretical and empirical analyses lead to…

The German population is aging. Since fewer children are born and simultaneously life expectancy rises, demographic changes will lead to a double aging process. The paper analyzes the effects of demographic…

During the last years more and more discussions came up about the contribution of technology-oriented and technology-intensive industries for the economic development and employment. The estimates of the…

In this paper we apply statistical inference techniques to build neural network models which are ahle to explain the prices of call options written on the German stock index DAX. By testing for the explanatory…