Concentration-based screens for horizontal mergers, such as those employed in the US DOJ and FTC Horizontal Merger … Guidelines, play a central role in merger analysis. However, the basis for these screens, in both form and level, remains unclear …

The merger of Fleet and BankBoston in September 1999 resulted in a regional New England lending market in which only … one large, universal bank remained. We explore the extent to which that merger resulted in monopoly rents for the combined … merger, Fleet and BankBoston charged unusually low loan interest rates, reflecting their ability to realize economies of …

merger wave. The evidence indicates that the efficiency of the majority of acquiring firms increases following an acquisition …. Based on the parameter estimates, we calculate merger welfare effects. We find that total welfare increased by $583 …

We analyze the optimal dynamic policy of an antitrust authority towards horizontal mergers when merger proposals are … endogenous and occur over time. Approving a currently proposed merger will affect the profitability and welfare effects of … surplus by using a completely myopic merger review policy that approves a merger today if and only if it does not lower …

Focusing on takeover bids whose outcome can be predicted in advance with certainty, Grossman and Hart established the …

banks in individual EU countries help to explain the nature of cross-border merger activity. If they wish to protect …

In this paper, we develop a novel theory of cross-border mergers and acquisitions. Firms can choose between different … modes of foreign market access: exporting, greenfield FDI, and cross-border M&A. Our theory is based on three key ideas …. Third, capabilities are traded in a merger market. We address two questions: (1) what are the characteristics of firms that …

The Q-theory of investment says that a firm's investment rate should rise with its Q. We argue here that this theory … also explains why some firms buy other firms. We find that 1. A firm's merger and acquisition (M&A) investment responds to …, i.e., the 'Free-Cash Flow' story works, but explains a small fraction of mergers only, and 3. The merger waves of 1900 …

We study optimal merger policy in a dynamic model in which the presence of scale economies implies that firms can … the period the merger is proposed. We also find that the ability to commit can lead to a significant welfare improvement …