reduces welfare by enabling firms to charge prices above marginal costs, whereas the procompetitive efficiency effect …) decrease in labour demand due to merger-specific synergies and derive welfare effects. We find that efficiency benefits from … ; involuntary unemployment ; efficiency defense ; oligopoly ; competition …

oligopoly theory, has become the dominating paradigm both in the U.S. (since the 1990s Post-Chicago movement) and in the EU (so …

effects. -- merger simulation ; merger control ; antitrust ; oligopoly theory ; auction models ; mergers & acquisitions …

This paper investigates the efficiency of the public sector in a sense of public performance and expenditures. For 23 …, security and infrastructure. We use several efficiency techniques (FDH, order-m) and investigate input- and output …-oriented efficiency of the public sector. We find that countries with small public sectors tend to be more efficient no matter which …