Digitale Märkte weisen starke Konzentrationstendenzen und eine Entwicklung zu immer stärker verzahnten, sich verschließenden Ökosystemen auf. In dieser Studie wird (ein Mangel an) Interoperabilität (IOP) als mögliche Ursache oder Treiber solcher Konzentrationstendenzen beleuchtet und der...

Benchmarking methods are widely used in the regulation of firms in network industries working under heterogeneous exogenous environments. In this paper we compare three recently developed estimators, namely conditional DEA (Daraio and Simar, 2005, 2007b), latent class SFA (Orea and Kumbhakar, 2004;...

In this paper, we test for the existence of a common component in agricultural land auctions in eastern Germany during the price boom 2007-2018 and discuss respective policy implications. Using a large, detailed dataset of auctions, we can rely on professional appraisals of the auctioned good...