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Intragroup Propping: Evidence from the Stock-Price Effects of Earnings Announcements by Korean Business Groups


  • Gil S. Bae
  • Youngsoon S. Cheon
  • Jun-Koo Kang


Using earnings announcement events made by firms belonging to Korean chaebols, we examine propping within a chaebol. Consistent with the market's ex ante valuation of intragroup propping, we find that the announcement of increased (decreased) earnings by a chaebol-affiliated firm has a positive (negative) effect on the market value of other nonannouncing affiliates. The sensitivity of the change in the market value of nonannouncing affiliates to abnormal returns for the announcing firms is higher if the cash flow right of the announcing firm's controlling shareholder is higher. The sensitivity is also higher if the announcing firm is larger, performs well, and has a higher debt guarantee ratio. The Author 2008. Published by Oxford University Press on behalf of The Society for Financial Studies. All rights reserved. For Permissions, please email:, Oxford University Press.

Suggested Citation

  • Gil S. Bae & Youngsoon S. Cheon & Jun-Koo Kang, 2008. "Intragroup Propping: Evidence from the Stock-Price Effects of Earnings Announcements by Korean Business Groups," Review of Financial Studies, Society for Financial Studies, vol. 21(5), pages 2015-2060, September.
  • Handle: RePEc:oup:rfinst:v:21:y:2008:i:5:p:2015-2060

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    Cited by:

    1. Alexander Ljungqvist & Donghua Chen & Dequan Jiang & Haitian Lu & Mingming Zhou, 2015. "State Capitalism vs. Private Enterprise," NBER Working Papers 20930, National Bureau of Economic Research, Inc.
    2. Byun, Hae-Young & Choi, Sunhwa & Hwang, Lee-Seok & Kim, Robert G., 2013. "Business group affiliation, ownership structure, and the cost of debt," Journal of Corporate Finance, Elsevier, vol. 23(C), pages 311-331.
    3. Randall Morck & Bernard Yeung, 2017. "East Asian Financial and Economic Development," NBER Working Papers 23845, National Bureau of Economic Research, Inc.
    4. Kang, Hyung Cheol & Anderson, Robert M. & Eom, Kyong Shik & Kang, Sang Koo, 2017. "Controlling shareholders' value, long-run firm value and short-term performance," Journal of Corporate Finance, Elsevier, vol. 43(C), pages 340-353.
    5. Bereskin, Frederick L. & Kim, Bushik & Oh, Frederick Dongchuhl, 2015. "Do credit rating concerns lead to better corporate governance? Evidence from Korea," Pacific-Basin Finance Journal, Elsevier, vol. 35(PB), pages 592-608.
    6. Qian, Meijun & Yeung, Bernard Y., 2015. "Bank financing and corporate governance," Journal of Corporate Finance, Elsevier, vol. 32(C), pages 258-270.
    7. Bae, Kee-Hong & Baek, Jae-Seung & Kang, Jun-Koo & Liu, Wei-Lin, 2012. "Do controlling shareholders' expropriation incentives imply a link between corporate governance and firm value? Theory and evidence," Journal of Financial Economics, Elsevier, vol. 105(2), pages 412-435.
    8. Baik, Bok & Kim, Young Jun & Kim, Jungbae & Lee, Su Jeong, 2015. "Usefulness of earnings in credit markets: Korean evidence," Pacific-Basin Finance Journal, Elsevier, vol. 33(C), pages 93-113.
    9. Song, Kyojik “Roy” & Mantecon, Tomas & Altintig, Z. Ayca, 2012. "Chaebol-affiliated analysts: Conflicts of interest and market responses," Journal of Banking & Finance, Elsevier, vol. 36(2), pages 584-596.
    10. Kwon, Yonghyun & Han, Seung Hun & Lee, Bong-Soo, 2016. "Financial constraints and negative spillovers in business groups: Evidence from Korea," Pacific-Basin Finance Journal, Elsevier, vol. 39(C), pages 84-100.
    11. Claessens, Stijn & Yurtoglu, B. Burcin, 2013. "Corporate governance in emerging markets: A survey," Emerging Markets Review, Elsevier, vol. 15(C), pages 1-33.
    12. repec:eee:reveco:v:49:y:2017:i:c:p:422-436 is not listed on IDEAS
    13. repec:kap:jbuset:v:143:y:2017:i:2:d:10.1007_s10551-015-2717-y is not listed on IDEAS
    14. Black, Bernard S. & Kim, Woochan & Jang, Hasung & Park, Kyung-Suh, 2015. "How corporate governance affect firm value? Evidence on a self-dealing channel from a natural experiment in Korea," Journal of Banking & Finance, Elsevier, vol. 51(C), pages 131-150.

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