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Abnormal Returns From the Common Stock Investments of Members of the U.S. House of Representatives

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  • Ziobrowski, Alan J.
  • Boyd, James W.
  • Cheng, Ping
  • Ziobrowski, Brigitte J.

Abstract

A previous study suggests that U.S. Senators trade common stock with a substantial informational advantage compared to ordinary investors and even corporate insiders. We apply precisely the same methods to test for abnormal returns from the common stock investments of Members of the U.S. House of Representatives. We measure abnormal returns for more than 16,000 common stock transactions made by approximately 300 House delegates from 1985 to 2001. Consistent with the study of Senatorial trading activity, we find stocks purchased by Representatives also earn significant positive abnormal returns (albeit considerably smaller returns). A portfolio that mimics the purchases of House Members beats the market by 55 basis points per month (approximately 6% annually).

Suggested Citation

  • Ziobrowski, Alan J. & Boyd, James W. & Cheng, Ping & Ziobrowski, Brigitte J., 2011. "Abnormal Returns From the Common Stock Investments of Members of the U.S. House of Representatives," Business and Politics, Cambridge University Press, vol. 13(1), pages 1-22, April.
    • Handle: RePEc:cup:buspol:v:13:y:2011:i:01:p:1-22_00
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    1. repec:ces:ifodic:v:13:y:2015:i:3:p:19173857 is not listed on IDEAS
    2. Mark A. Zupan, 2015. "Rent-Seeking on the Supply Side of Politics," ifo DICE Report, ifo Institute - Leibniz Institute for Economic Research at the University of Munich, vol. 13(3), pages 06-14, October.
    3. Stephan, Andrew P. & Walther, Beverly R. & Wellman, Laura A., 2021. "Profiting from connections: Do politicians receive stock tips from brokerage houses?," Journal of Accounting and Economics, Elsevier, vol. 72(1).
    4. Cohen, Lauren & Diether, Karl & Malloy, Christopher, 2013. "Legislating stock prices," Journal of Financial Economics, Elsevier, vol. 110(3), pages 574-595.
    5. William Belmont & Bruce Sacerdote & Ranjan Sehgal & Ian Van Hoek, 2020. "Relief Rally: Senators As Feckless As the Rest of Us at Stock Picking," NBER Working Papers 26975, National Bureau of Economic Research, Inc.
    6. Ayakeme Ebiwarefa Whisky & Chinedu B. Ezirim, 2014. "Do Investors Make Abnormal Returns Consistently? An Econometric Investigation in the Nigerian Capital Market," International Journal of Financial Research, International Journal of Financial Research, Sciedu Press, vol. 5(2), pages 115-120, April.
    7. Yongqiang Chu & Weida Kuang & Daxuan Zhao & Xiaoxia Zhou, 2024. "Inside job: Evidence from the Chinese housing market," Journal of Policy Analysis and Management, John Wiley & Sons, Ltd., vol. 43(1), pages 214-233, January.
    8. Raymond Fisman & Florian Schulz & Vikrant Vig, 2014. "The Private Returns to Public Office," Journal of Political Economy, University of Chicago Press, vol. 122(4), pages 806-862.
    9. Serkan Karadas, 2019. "Trading on Private Information: Evidence from Members of Congress," The Financial Review, Eastern Finance Association, vol. 54(1), pages 85-131, February.
    10. Ferguson, Thomas & Jorgensen, Paul & Chen, Jie, 2022. "How money drives US congressional elections: Linear models of money and outcomes," Structural Change and Economic Dynamics, Elsevier, vol. 61(C), pages 527-545.
    11. Mark A. Zupan, 2015. "Rent-Seeking on the Supply Side of Politics," ifo DICE Report, ifo Institute - Leibniz Institute for Economic Research at the University of Munich, vol. 13(03), pages 06-14, October.
    12. Serkan Karadas & Minh Tam Tammy Schlosky & Joshua Hall, 2021. "Did Politicians Use Non-Public Macroeconomic Information in Their Stock Trades? Evidence from the STOCK Act of 2012," JRFM, MDPI, vol. 14(6), pages 1-18, June.
    13. Belmont, William & Sacerdote, Bruce & Sehgal, Ranjan & Van Hoek, Ian, 2022. "Do senators and house members beat the stock market? Evidence from the STOCK Act," Journal of Public Economics, Elsevier, vol. 207(C).
    14. Ahmed Tahoun & Laurence van Lent, 2016. "The Personal Wealth Interests of Politicians and the Stabilization of Financial Markets," Working Papers Series 52, Institute for New Economic Thinking.
    15. Mirzokhidjon Abdurakhmonov & Roary E. Snider & Jason W. Ridge & Dinesh Hasija, 2023. "Perceptions of political Self‐Dealing? An empirical investigation of market returns surrounding the disclosure of politician stock purchases," Strategic Management Journal, Wiley Blackwell, vol. 44(5), pages 1168-1198, May.
    16. Dahlgaard, Jens Olav & Kristensen, Nicolai & Larsen, Frederik Kjøller, 2022. "Reward or Punishment? The Distribution of Life-Cycle Returns to Political Office," IZA Discussion Papers 15274, Institute of Labor Economics (IZA).
    17. Serkan Karadas, 2018. "Family ties and informed trading: evidence from Capitol Hill," Journal of Economics and Finance, Springer;Academy of Economics and Finance, vol. 42(2), pages 211-248, April.

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