We provide an axiomatization-based justification for applying the Owen value to decompose R2 in OLS models if prior knowledge can be used to form groups of regressor variables. The assumptions made by the axioms are not only plausible with respect to the variables but also clarify the meaning of...

We analyze the timing of birth of the first three children based on German panel data (GSOEP) within a hazard rate framework. A random effects estimator is used to accommodate correlation across spells. We consider the role of human capital - approximated by a Mincer-type regression - and its...

The "Excellence Initiative" is a prestigious third-party funding program for German universities, organized as a research contest. We investigate whether universities in this program (or that prepared an application) had different trends in terms of productivity and technical efficiency than...