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Acquisitions, Overconfident Managers and Self-attribution Bias

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Author Info

  • John A. Doukas
  • Dimitris Petmezas

Abstract

"We examine whether acquisitions by overconfident managers generate superior abnormal returns and whether managerial overconfidence stems from self-attribution. Self-attribution bias suggests that overconfidence plays a greater role in higher order acquisition deals predicting lower wealth effects for higher order acquisition deals. Using two alternative measures of overconfidence (1) high order acquisition deals and (2) insider dealings we find evidence supporting the view that average stock returns are related to managerial overconfidence. Overconfident bidders realise lower announcement returns than rational bidders and exhibit poor long-term performance. Second, we find that managerial overconfidence stems from self-attribution bias. Specifically, we find that high-order acquisitions (five or more deals within a three-year period) are associated with lower wealth effects than low-order acquisitions (first deals). That is, managers tend to credit the initial success to their own ability and therefore become overconfident and engage in more deals. In our analysis we control for endogeneity of the decision to engage in high-order acquisitions and find evidence that does not support the self-selection of excessive acquisitive firms. Our analysis is robust to the influence of merger waves, industry shocks, and macroeconomic conditions." Copyright 2007 The Authors Journal compilation (c) 2007 Blackwell Publishing Ltd.

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Bibliographic Info

Article provided by European Financial Management Association in its journal European Financial Management.

Volume (Year): 13 (2007)
Issue (Month): 3 ()
Pages: 531-577

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Handle: RePEc:bla:eufman:v:13:y:2007:i:3:p:531-577

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Cited by:
  1. Fabian Homberg & Katja Rost & Margit Osterloh, 2009. "Do synergies exist in related acquisitions? A meta-analysis of acquisition studies," Review of Managerial Science, Springer, vol. 3(2), pages 75-116, July.
  2. Elisabeth Gsottbauer & Jeroen den Bergh, 2013. "Bounded rationality and social interaction in negotiating a climate agreement," International Environmental Agreements: Politics, Law and Economics, Springer, vol. 13(3), pages 225-249, September.
  3. Petmezas, Dimitris, 2009. "What drives acquisitions?: Market valuations and bidder performance," Journal of Multinational Financial Management, Elsevier, vol. 19(1), pages 54-74, February.
  4. Kim, Y. Han (Andy), 2013. "Self attribution bias of the CEO: Evidence from CEO interviews on CNBC," Journal of Banking & Finance, Elsevier, vol. 37(7), pages 2472-2489.
  5. Yim, Soojin, 2013. "The acquisitiveness of youth: CEO age and acquisition behavior," Journal of Financial Economics, Elsevier, vol. 108(1), pages 250-273.
  6. Hsu, Yenshan & Shiu, Cheng-Yi, 2010. "The overconfidence of investors in the primary market," Pacific-Basin Finance Journal, Elsevier, vol. 18(2), pages 217-239, April.
  7. Croci, Ettore & Petmezas, Dimitris & Vagenas-Nanos, Evangelos, 2010. "Managerial overconfidence in high and low valuation markets and gains to acquisitions," International Review of Financial Analysis, Elsevier, vol. 19(5), pages 368-378, December.
  8. Virginia Bodolica & Martin Spraggon, 2011. "Behavioral Governance and Self-Conscious Emotions: Unveiling Governance Implications of Authentic and Hubristic Pride," Journal of Business Ethics, Springer, vol. 100(3), pages 535-550, May.
  9. Terence Tse, 2011. "Shareholder and stakeholder theory: after the financial crisis," Qualitative Research in Financial Markets, Emerald Group Publishing, vol. 3(1), pages 51-63, April.
  10. Alexandridis, George & Antoniou, Antonios & Zhao, Huainan, 2008. "Belief asymmetry and gains from acquisitions," Journal of Multinational Financial Management, Elsevier, vol. 18(5), pages 443-460, December.
  11. Dutta, Shantanu & MacAulay, Kenneth & Saadi, Samir, 2011. "CEO power, M&A decisions, and market reactions," Journal of Multinational Financial Management, Elsevier, vol. 21(5), pages 257-278.

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