Data Envelopment Analysis (DEA) is widely used to compare the empirical performance of decision making units such as firms or public bodies. With a view to the recent boom of applications to a very wide range of different problems, this paper shows for which data and problem structures DEA...

Claiming analogy with financial option pricing the real options approach assumes that the present value of investment cash flows (or: real asset value) can be replicated by a risk-free financial portfolio; that is, this present value is considered to be equivalent to an asset value in a complete...

Das Vertrauen der Bevölkerung gegenüber der Wissenschaft hängt in starkem Maß von der Art der Vermittlung wissenschaftlicher Erkenntnisse ab. Dabei ist es entscheidend, durch eine adäquate Interpretation statistischer Analysen eine vernünftige Bewertung der Zuverlässigkeit...

Replication crisis and debates about p-values have raised doubts about what we can statistically infer from research findings, both in experimental and observational studies. With a view to the ongoing debate on inferential errors, this paper systematizes and discusses experimental designs with...