Nonparametric methods have been widely used for assessing the performance of organizations in the private and public sector. The most popular ones are based on envelopment estimators, like the FDH or DEA estimators, that estimate the attainable sets and its efficient boundary by enveloping the...

When benchmarking production units by non-parametric methods like data envelopment analysis (DEA), an assumption has to be made about the returns to scale of the underlying technology. Moreover, it is often also relevant to compare the frontiers across samples of producers. Until now, no exact...

The regression residual is commonly used as a productivity indicator. However, the observed input demands are endogenous if rational managers adjust their input use for inefficiency. A large stream of studies considers possible solutions to the endogeneity problem that require as little external...

In der vorliegenden Arbeit werden die einzelbetrieblichen Effekte zweier agrarpolitischer Programme (Agrarumweltmaßnahmen, Ausgleichszulage für benachteiligte Gebiete) auf den betrieblichen Faktoreinsatz (Boden, Arbeit, Kapital, Viehbesatz, Viehbesatzdichte, Ausgaben für Pflanzenschutz- und...