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...

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...