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Credit distortions in Japanese momentum

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  • Ross, Sharon Y.

Abstract

Persistent credit distortions have warped equity returns in Japan, where decades of subsidized bank credit to “zombie firms” suppressed momentum premiums. Controlling for zombies revives Japan’s momentum effect: momentum earns significant alpha after adjusting for zombies, and momentum’s expected return and Sharpe ratio triple. The zombie-adjusted factor commands a positive price of risk, becomes unspanned by other factors, and aligns more closely with international patterns. Why? Zombies depend on forbearance from their banks, and zombie losers’ outsized betas to bank returns depress momentum. Analysis of syndicated loan data confirms that firms with forbearance-prone lenders drive Japan’s persistently low momentum returns.

Suggested Citation

  • Ross, Sharon Y., 2025. "Credit distortions in Japanese momentum," Journal of Empirical Finance, Elsevier, vol. 82(C).
    • Handle: RePEc:eee:empfin:v:82:y:2025:i:c:s0927539825000374
    DOI: 10.1016/j.jempfin.2025.101615
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    References listed on IDEAS

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    Keywords

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    JEL classification:

    • G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G20 - Financial Economics - - Financial Institutions and Services - - - General
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation

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