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Coups, Corporations, and Classified Information

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  • Arindrajit Dube
  • Ethan Kaplan
  • Suresh Naidu

Abstract

We estimate the impact of coups and top-secret coup authorizations on asset prices of partially nationalized multinational companies that stood to benefit from US-backed coups. Stock returns of highly exposed firms reacted to coup authorizations classified as top-secret. The average cumulative abnormal return to a coup authorization was 9% over 4 days for a fully nationalized company, rising to more than 13% over sixteen days. Pre-coup authorizations accounted for a larger share of stock price increases than the actual coup events themselves.There is no effect in the case of the widely publicized, poorly executed Cuban operations, consistent with abnormal returns to coup authorizations reflecting credible private information. We also introduce two new intuitive and easy to implement nonparametric tests that do not rely on asymptotic justifications.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 16952.

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Date of creation: Apr 2011
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Publication status: published as Arindrajit Dube & Ethan Kaplan & Suresh Naidu, 2011. "Coups, Corporations, and Classified Information," The Quarterly Journal of Economics, Oxford University Press, vol. 126(3), pages 1375-1409.
Handle: RePEc:nbr:nberwo:16952
Note: AP DAE POL
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Find related papers by JEL classification:
  • F50 - International Economics - - International Relations, National Security, and International Political Economy - - - General
  • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
  • N10 - Economic History - - Macroeconomics and Monetary Economics; Industrial Structure; Growth; Fluctuations - - - General, International, or Comparative

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  1. Guidolin, Massimo & La Ferrara, Eliana, 2004. "Diamonds are Forever, Wars are Not: Is Conflict Bad for Private Firms?," CEPR Discussion Papers 4668, C.E.P.R. Discussion Papers.
  2. Erik Snowberg & Justin Wolfers & Eric Zitzewitz, 2006. "Partisan impacts on the economy: evidence from prediction markets and close elections," Working Paper Series 2006-08, Federal Reserve Bank of San Francisco.
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  6. Corrado, Charles J. & Zivney, Terry L., 1992. "The Specification and Power of the Sign Test in Event Study Hypothesis Tests Using Daily Stock Returns," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 27(03), pages 465-478, September.
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Cited by:

  1. Roberto Bonfatti, 2011. "An Economic Theory of Foreign Interventions and Regime Change," CESifo Working Paper Series 3475, CESifo Group Munich.
  2. Albornoz, Facundo & Hauk, Esther, 2014. "Civil war and U.S. foreign influence," Journal of Development Economics, Elsevier, vol. 110(C), pages 64-78.
  3. Luechinger, Simon & Moser, Christoph, 2014. "The value of the revolving door: Political appointees and the stock market," Journal of Public Economics, Elsevier, vol. 119(C), pages 93-107.
  4. Moser, Christoph & Rose, Andrew K, 2011. "Who Benefits from Regional Trade Agreements? The View from the Stock Market," CEPR Discussion Papers 8566, C.E.P.R. Discussion Papers.
  5. Byung-Yeon Kim & Gerard Roland, 2011. "Are the Markets Afraid of Kim Jong-Il?," KIER Working Papers 789, Kyoto University, Institute of Economic Research.
  6. Facundo Albornoz & Esther Hauk, 2010. "Civil War and Foreign Influence," UFAE and IAE Working Papers 836.10, Unitat de Fonaments de l'Anàlisi Econòmica (UAB) and Institut d'Anàlisi Econòmica (CSIC), revised 19 Dec 2010.
  7. Berger, Daniel & Easterly, William & Nunn, Nathan & Satyanath, Shanker, 2013. "Commercial Imperialism? Political Influence and Trade during the Cold War," Scholarly Articles 11986334, Harvard University Department of Economics.
  8. Daron Acemoglu & Tarek A. Hassan & Ahmed Tahoun, 2014. "The Power of the Street: Evidence from Egypt's Arab Spring," NBER Working Papers 20665, National Bureau of Economic Research, Inc.
  9. Daron Acemoglu & Simon Johnson & Amir Kermani & James Kwak & Todd Mitton, 2013. "The Value of Connections in Turbulent Times: Evidence from the United States," NBER Working Papers 19701, National Bureau of Economic Research, Inc.
  10. Aidt, Toke S. & Albornoz, Facundo, 2011. "Political regimes and foreign intervention," Journal of Development Economics, Elsevier, vol. 94(2), pages 192-201, March.

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