This paper investigates the factors that explain the level and dynamics of manufacturing firm productive efficiency. In our empirical analysis, we use a unique sample of about 39,000 firms in 256 industries from the German Cost Structure Census over the years 1992-2005. We estimate the...

This paper investigates the factors that explain the level and dynamics of manufacturing firm productive efficiency. In our empirical analysis, we use a unique sample of about 39,000 firms in 256 industries from the German Cost Structure Census over the years 1992-2005. We estimate the...

This paper investigates the impact of policy interest rate news from the U.S. Federal Reserve (Fed) and the European Central Bank (ECB) on stock returns and volatilities of U.S. NYSE and German DAX listed commercial banks. We find that Fed news has the most influence on both U.S. and German...

The topic of the dissertation is the relationship between knowledge spillovers and firms' likelihood to co-operate on R&D and innovation activities. The analysis contains two parts: A review of relevant theoretical and empirical literature and an empirical part that analyses the relationship...

We estimate the determinants of various types of product innovation. Knowledge spillovers from rivals have a positive impact on incremental innovations. This impact is largely independent of the participation in R&D cooperations. Spillovers exert no such independent influence on drastic...