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On efficiency, concentration and welfare

BOCCARD, Nicolas - Center for Operations Research and Econometrics (CORE), … - 2009

The welfare impact of a merger involves the market power offense and the efficiency defense. Salant et al. (1983) show that mergers among symmetric firms are unprofitable except for monopolization. We characterize the limit to this merger paradox in a simple linear Cournot oligopoly with...

Persistent link: https://www.econbiz.de/10008494368

Optimal enforcement of competition policy : the commitments procedure under uncertainty

GAUTIER, Axel; PETIT, Nicolas - Center for Operations Research and Econometrics (CORE), … - 2014

Since the introduction of a formal commitments procedure in EU an- titrust policy (Article 9 of Council Regulation 1/2003), the European Commission has extensively settled cases of alleged anticompetitive practices. In this paper, we use a formal model of law enforcement (Be- bchuk, 1984; Shavell,...

Persistent link: https://www.econbiz.de/10011246329

Concentration, spatial clustering and the size of plants : disentangling the sources of co-location externalities

LAFOURCADE, Miren; MION, Giordano - Center for Operations Research and Econometrics (CORE), … - 2003

concentration, spatial clustering and the size of plants. Concentration is an a-spatial concept of variability that can be measured … distance-based patterns. We argue that, in a world where the size of establishments is independent of both concentration and … more concentrated than small ones, with size and concentration simultaneously influencing each other. On the other hand …

Persistent link: https://www.econbiz.de/10005042915

Intensity of competition and market structure in the Italian banking industry

GIANNETTI, Caterina - Center for Operations Research and Econometrics (CORE), … - 2007

this in turn affects the one-firm concentration index. Then, in the second part, the number of banks in each submarket is …, the one-firm concentration ratio of each province is regressed on the number of banks, also in interaction with market …

Persistent link: https://www.econbiz.de/10005043154

Endogenous network formation in patent contests and its role as a barrier to entry

MARINUCCI, Marco; VERGOTE, Wouter - Center for Operations Research and Econometrics (CORE), … - 2009

In a setting of R&D co-opetition we study, by using an all-pay auction approach, how collaboration affects strategic decisions during a patent contest, and how the latter influences the possible collaboration network structures the firms can hope to form. The all pay auction approach allows us...

Persistent link: https://www.econbiz.de/10008550228

Dynamic joint investments in supply chains under information asymmetry

AGRELL, Per; KASPERZEC, Roman - Center for Operations Research and Econometrics (CORE), … - 2010

Supply chain management involves the selection, coordination and motivation of independently operated suppliers. However the central planner's perspective in operations management translates poorly to vertically separated chains, where suppliers may have rational myopic reasons to object to full...

Persistent link: https://www.econbiz.de/10008836141

How to win twice at an auction. On the incidence of commissions in auction markets

GINSBURGH, Victor; LEGROS, Patrick; SAHUGUET, Nicolas - Center for Operations Research and Econometrics (CORE), … - 2005

We analyze the welfare consequences of an increase in the commissions charged by intermediaries in auction markets. We argue that while commissions are similar to taxes imposed on buyers and sellers the question of incidence deserves a new treatment in auction markets. We show that an increase...

Persistent link: https://www.econbiz.de/10005043209

On the effects of banks’ equity ownership on credit markets : an antitrust perspective on the Glass-Steagall act

AMIR, Rabah; TROGE, Michael - Center for Operations Research and Econometrics (CORE), … - 2004

Recent U.S. legislation (Gramm-Leach-Bliley Act) allows commercial banks to enter merchant banking, i.e. hold equity in non-financial firms. A stylised auction-theoretic model is developed to investigate the effects of bank equity stakes in firms on the competition in bank loans. The main...

Persistent link: https://www.econbiz.de/10005043437

Market structure, scale economies and industry performance

AMIR, Rabah - Center for Operations Research and Econometrics (CORE), … - 2003

We provide an extensive and general investigation of the effecst on industry performance - profits, social welfare and price-cost margins - of exogenously changing the number of firms in Cournot markets. This includes an in-depth exploration of the well-known trade-off between competition and...

Persistent link: https://www.econbiz.de/10005008299

Market transparency and Bertrand competition

KNAUFF, Malgorzata - Center for Operations Research and Econometrics (CORE), … - 2006

We investigate the effects of market transparency on prices in the Bertrand duopoly model for both the cases of strategic complementarities and strategic substitutes. For the former class of games “conventional wisdom” concerning prices is conﬁrmed, since they decrease. The consumers are...

Persistent link: https://www.econbiz.de/10005008307