Emory University
Department of Economics
Working Papers


Title:
Number: 05-22
Author:
Issue Date: August 2005 (revised April, 2007)
Abstract: This paper shows that internal capital reallocation between merging partners can improve the profitability of horizontal mergers. We find that merged firms often optimally choose the multidivisional structure (the M-form) rather than the conventional structure of completely integrating merging partners. Under the M-form, mergers not only combine merging partners’ capital, but also allow the merged firm to reallocate that capital in an efficient way. Since the horizontal merger is profitable due to this efficiency-improving capital reallocation, the merger enhances market competition as well. We discuss the conditions under which the M-form is optimal for the merged firm.

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