Abstract

http://ssrn.com/abstract=2018612
 
 

References (33)



 


 



Does the Dearth of Mergers Mean More Competition?


Dirk Hackbarth


Boston University School of Management; University of Illinois at Urbana-Champaign - College of Business

Bart Taub


University of Illinois

January 10, 2013


Abstract:     
We study mergers in a duopoly with differentiated products and noisy observations of firms' actions. Firms select dynamically optimal actions that are not static best responses and merger incentives arise endogenously when firms sufficiently deviate from their collusive actions. The incentive to merge trades off the gains from avoiding price wars against the gains from a monopoly net of the fixed cost of merging. Depending on the merger cost, there are three merger outcomes: if the cost is low, firms merge immediately, if it is high, they never merge, and, in an intermediate cost range, there are endogenous mergers for which we derive a number of novel results. First, we characterize the firms' shares in the merged firm as a function of firm and product market characteristics. Second, we show that long periods of pre-merger collusion are supported, because collusion is dynamically stable and merging is unstable, with mergers occurring only when collusion has failed, and hence the dearth of mergers need not mean more product market competition. Third, the acquiring firm's pre-merger returns are first positive and then become negative just before the merger occurs, while the target firm's returns follow the opposite pattern. Fourth, there are no announcement returns when industry concentration changes due to mergers.

Number of Pages in PDF File: 44

Keywords: Anticompetitive effect, imperfect information, industry structure, takeovers

JEL Classification: D43, L12, L13, G34

working papers series


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Date posted: March 8, 2012 ; Last revised: January 13, 2013

Suggested Citation

Hackbarth, Dirk and Taub, Bart, Does the Dearth of Mergers Mean More Competition? (January 10, 2013). Available at SSRN: http://ssrn.com/abstract=2018612 or http://dx.doi.org/10.2139/ssrn.2018612

Contact Information

Dirk Hackbarth (Contact Author)
Boston University School of Management ( email )
595 Commonwealth Avenue
Boston, MA 02215
United States
(617) 358-4206 (Phone)
(617) 353-6667 (Fax)
HOME PAGE: http://people.bu.edu/dhackbar/
University of Illinois at Urbana-Champaign - College of Business ( email )
4035 BIF, MC-520, Box 35
515 East Gregory Drive
Champaign, IL 61820
United States
(217) 333-7343 (Phone)
(217) 244-3102 (Fax)
HOME PAGE: http://business.illinois.edu/dhackbar/
Bart M. Taub
University of Illinois ( email )
410 David Kinley Hall
1407 W. Gregory
Urbana, IL 61801
United States
217-333-3467 (Phone)
217-244-6678 (Fax)
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