Winning by Losing: Evidence on the Long-Run Effects of Mergers

Enrico Moretti, Ulrike M. Malmendier and Florian Peters

No 12830, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: We propose a novel approach to measuring returns to mergers. In a new data set of close bidding contests we use losers' post-merger performance to construct the counterfactual performance of winners had they not won the contest. Stock returns of winners and losers closely track each other over the 36 months before the merger, corroborating our approach to identi cation. Bidders are also very similar in terms of Tobins Q, pro tability and other accounting measures. Over the three years after the merger, however, losers outperform winners by 24 percent. Commonly used methodologies such as announcement returns fail to identify acquirors' underperformance.

Date: 2018-03
New Economics Papers: this item is included in nep-com and nep-ind
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Related works:
Journal Article: Winning by Losing: Evidence on the Long-run Effects of Mergers (2018)
Working Paper: Winning by Losing: Evidence on the Long-Run Effects of Mergers (2012)
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