This paper considers the impact of European telecom regulation on the value of affected companies. Employing a repeating AR-GARCH model, I compare the effect of three types of regulation which are categorized based on the addressed subject, i.e. cross-market, country-specific and...

Using data from the 1997 and 2002 waves of the German Socio-Economic Panel and from official statistics, the present paper studies whether natives are less supportive of state help for the unemployed in regions where the share of foreigners among the unemployed is high. The effect of immigration...

Knowledge and technological change are often assumed to be the driving forces for long run economic growth. Regions with a higher level of knowledge compared to other regions exhibit a higher per-capita income on average. Agglomeration effects can lead to a steady increase of income and widen...

Economic theory suggests that financing constraints may occur due to capital market imperfections. These particularly affect investments in innovation projects as such projects are typically characterized by a high degree of uncertainty, complexity and specificity. Financing innovation...

This paper analyses the impact of business process outsourcing (BPO) on firm productivity based on a comprehensive German firm-level panel data set covering manufacturing and service industries. The growing importance of service inputs into the production process is undisputed. Firms...

In this paper, we analyze oil price impacts on unemployment for Germany. Firstly, we survey theoretical and empirical literature on the oil-unemployment relationship and relate them to the German case. Secondly, we illustrate this issue within the framework of a vector autoregression (VAR)...

This paper investigates the impact of in-house R&D and innovation management practices on innovation success in small and medium-sized firms (SMEs). While there is little doubt about the significance of technology competence for generating successful innovations, inhouse R&D activities may be a...

The paper aims at testing Florida's concept of the Creative Class using panel data for 323 West German regions for the time period 1975-2004. Applying a dynamic system approach based on GMM, we find that the local concentration of the Creative Class has predictive power for the economic...

This paper examines educational outcomes of pupils selected to secondary school types by different tracking regimes in a German state: Pupils are alternatively streamed after fourth grade or after sixth grade. Regression results indicate that, estimated on the mean, there are no negative effects...

Empirical work on the wage impact of training has noted that unobserved heterogeneity of training participants should play a role. The expected return to training, which partly depends on unobservable characteristics, is likely to be a crucial criterion in the decision to take part in training...