The COVID-19 pandemic has affected firms in all economies worldwide. We investigate the impact of the pandemic on firms’ innovation activities. Employing data from a representative sample of German firms, we find consistently with real options theory that negatively affected firms...

This paper examines the link between liquidity constraints and investment behaviour on the one hand, and firm size on the other for a large sample of German firms over the time period 1968-85. The results indicate that smaller firms tend to have investment functions which are more sensitive to...

The purpose of this paper is to link the twin horns of the European economic dilemma - unemployment and a loss in international competitiveness - to a lack of innovative activity. In Germany the Innovationskrise (innovation crisis) combines with the Standortkrise (location crisis) and the...

Die Digitalisierung bringt weitreichende Veränderungen für Unternehmen, Beschäftigte und Verbraucher mit sich. Sie hat Auswirkungen auf nahezu alle Bereiche des wirtschaftlichen Handelns. Die damit verbundenen Veränderungen in Wirtschaft und Gesellschaft stellen die Wirtschaftspolitik vor...

After exchanges and alternative trading venues have introduced electronic execution mechanisms worldwide, the focus of the securities trading industry shifted to the use of fully electronic trading engines by banks, brokers and their institutional customers. These Algorithmic Trading engines...

This paper proposes the Shannon entropy as an appropriate one-dimensional measure of behavioural trading patterns in financial markets. The concept is applied to the illustrative example of algorithmic vs. non-algorithmic trading and empirical data from Deutsche Börse's electronic cash equity...

Theory suggests that subjective well-being is affected by income comparisons and adaptation to income. Empirical tests of the effects often rely on self-constructed measures from survey data. This paper shows that results can be highly sensitive to simple parameter changes. Using large-scale...

Recent studies focused on testing the Easterlin hypothesis (happiness and national income correlate in the cross-section but not over time) on a global level. We make a case for testing the Easterlin hypothesis at the country level where individual panel data allow exploiting important...

Recent studies focused on testing the Easterlin hypothesis (happiness and national income correlate in the cross-section but not over time) on a global level. We make a case for testing the Easterlin hypothesis at the country level where individual panel data allow exploiting important...

This paper presents new evidence on the distribution of risk attitudes in the population, using a novel set of survey questions and a representative sample of roughly 22,000 individuals living in Germany. Using a question that asks about willingness to take risks on an 11-point scale, we find...