This book examines the paradox that resource-rich countries often struggle to manage their resources in a way that will help their economies thrive. It looks at how a country's political regime and quality of governance can determine the degree to which it benefits - or suffers - from having...

This paper examines return predictability when the investor is uncertain about the right state variables. A novel feature of the model averaging approach used in this paper is to account for finite-sample bias of the coefficients in the predictive regressions. Drawing on an extensive...

Today, more than 70% of the world's total electricity production is supplied by power plants using conventional fossil fuels. Coal accounts for more than half of the fossil fuel combustion in electricity plants. Future mega trends give reason to believe that electricity demand will double until...

We estimate the effects of R&D on firms' credit ratings and on financial distress. The main purpose is the comparison of firms in Western Germany and Eastern Germany as a transitional economy. Innovative activity has a positive impact on firm value proxied by ratings in Western Germany, but a...

Determinants of a firm's export-sales ratio (degree of internationalisation) are frequently discussed in the literature related to individual firms' export activities. Stylised facts show a positive relationship between firm size and firm age on the one hand and the firm's export-sales ratio on...

The question whether agglomeration externalities arise either from specialization or diversification of economic activity has since long been a major topic in the analysis of factors determining economic growth. In this paper we analyze whether a more specialized or a more diverse skill...

Do private banks act as hard-nosed bankers when firms get financially distressed compared to public banks that have the mandate to support regional economy? For German firms in the period 2000-2005, I find that the probability of leaving the market after financial distress is higher for firms...

Less than half of the people with migration background living in Germany possess foreign citizenship. Hence, using citizenship to analyze economic issues of immigration may be problematic for two reasons. On the one hand, a quite substantial share of persons with migration background is...