This papers analyses how horizontal mergers affect innovation activities of the merged entity and its non-merging competitors. We develop an oligopoly model with heterogeneous firms to derive empirically testable implications. Our model predicts that a merger is more likely to be profitable in...

Given various recent antitrust investigations on the retail sector, we deal with uncovering demand systems substitution patterns for a particular market (diapers) to investigate the inter-format competition (supermarkets vs. discounters vs. drugstores). Using the uncovered demand system we...

This paper examines how different unionisation structures affect firms' innovation incentives and industry employment. We distinguish three modes of unionisation with increasing degree of centralisation: (1) "Decentralisation" where wages are determined independently at the firm-level, (2)...

In this paper we apply standard cartel theory to identify the major institutional stabilizers of Germany's area tariff system of collective bargaining between a single industry union and the industry's employers association. Our cartel analysis allows us to demonstrate that recent labor policy...

We analyze the behavior of 577 economics and law students in a simple binary trust experiment in class-room. While economists are both significantly less trusting and less trustworthy than law students, this difference is largely due to heterogeneity between female law and economics students....

Das Papier zeigt, dass die seit Jahrzehnten andauernde Klagen wissenschaftlich tätiger Ökonomen,dass Öffentlichkeit und Politik nicht genug auf Ergebnisse der ökonomischen Forschung hören,zumindest für Deutschland im Quervergleich zu anderen Wissenschaften in Bezug auf das...