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Margin regulation and market quality: a microstructure analysis

Author

Listed:
  • Evren Ors

    (GREGH - Groupement de Recherche et d'Etudes en Gestion à HEC - HEC Paris - Ecole des Hautes Etudes Commerciales - CNRS - Centre National de la Recherche Scientifique)

  • Gordon J. Alexander
  • Mark A. Peterson
  • Paul J. Seguin

Abstract

We find that trading volume increases and market liquidity remains unchanged, while the adverse selection and order-processing cost components of the spread increase and decrease, respectively, after margin levels decline when stocks become margin-eligible. This evidence indicates that the information content of trades has increased, thereby improving market quality. However, no changes were detected after the 1997 regulatory reforms. These results have implications across a broad swath of corporate finance dimensions, including the (1) cost of capital, (2) public vs. private financing decision, (3) form of managerial compensation, (4) type of ownership structure, and (5) degree of shareholder monitoring.

Suggested Citation

  • Evren Ors & Gordon J. Alexander & Mark A. Peterson & Paul J. Seguin, 2004. "Margin regulation and market quality: a microstructure analysis," Post-Print hal-00460981, HAL.
    • Handle: RePEc:hal:journl:hal-00460981
    DOI: 10.1016/S0929-1199(02)00048-2
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    Cited by:

    1. Yaping Zhou & Xundi Diao & Dayong Lv, 2023. "Role of OTC options in stock price efficiency: Evidence from the Chinese market," Accounting and Finance, Accounting and Finance Association of Australia and New Zealand, vol. 63(4), pages 4629-4655, December.
    2. Ye, Qing & Zhou, Shengjie & Zhang, Jie, 2020. "Short-selling, margin-trading, and stock liquidity: Evidence from the Chinese stock markets," International Review of Financial Analysis, Elsevier, vol. 71(C).
    3. Fonseka, Mohan & Ma, Yulong & Bei, Chengcheng & Samarakoon, Lalith P., 2025. "The effect of margin trading, stock index futures, and firm characteristics on stock price synchronicity: Evidence from China," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 102(C).
    4. Chen, Xinxin & Guo, Yanhong & Song, Yingying, 2024. "Multiple time scales investor sentiment impact the stock market index fluctuation: From margin trading business perspective," The North American Journal of Economics and Finance, Elsevier, vol. 69(PA).
    5. Lv, Dayong & Wu, Wenfeng, 2019. "Margin-trading volatility and stock price crash risk," Pacific-Basin Finance Journal, Elsevier, vol. 56(C), pages 179-196.
    6. Shyu, Yih-Wen & Chan, Kam C. & Liang, Hsin-Yu, 2018. "Spillovers of price efficiency and informed trading from short sales to margin purchases in absence of uptick rule," Pacific-Basin Finance Journal, Elsevier, vol. 50(C), pages 163-183.
    7. Li Qian & Mingsheng Li & Yan Li, 2020. "Does news travel slowly before a market crash? The role of margin traders," Accounting and Finance, Accounting and Finance Association of Australia and New Zealand, vol. 60(3), pages 3065-3101, September.
    8. Dayong Lv & Wenfeng Wu, 2020. "Margin trading and price efficiency: information content or price‐adjustment speed?," Accounting and Finance, Accounting and Finance Association of Australia and New Zealand, vol. 60(3), pages 2889-2918, September.

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