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Margin Requirements and Evolutionary Asset Pricing

Author

Listed:
  • Anastasiia Sokko

    (University of Zurich and Swiss Finance Institute)

  • Klaus Reiner Schenk-Hoppé

    (University of Manchester and Norwegian School of Economics (NHH))

Abstract

We introduce an evolutionary equilibrium asset pricing model with heterogeneous agents who can either act as brokers or hedge funds. Hedge funds can trade on margin, taking short or (leveraged) long positions in the assets. Brokers provide asset loans and credit to margin traders. In any evolutionary equilibrium, where growth rates of wealth under management are identical, assets are priced according to expected relative dividends (the Kelly rule) and margin traders either leverage long or short the Kelly portfolio. Margin requirements affect the equilibrium interest rates but not the level of asset prices. We also apply the model to study the impact of margin requirements on the speed of price adjustment in the presence of noise traders.

Suggested Citation

  • Anastasiia Sokko & Klaus Reiner Schenk-Hoppé, 2017. "Margin Requirements and Evolutionary Asset Pricing," Swiss Finance Institute Research Paper Series 17-20, Swiss Finance Institute.
    • Handle: RePEc:chf:rpseri:rp1720
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    Cited by:

    1. Rabah Amir & Sergei Belkov & Igor V. Evstigneev & Thorsten Hens, 2022. "An evolutionary finance model with short selling and endogenous asset supply," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 73(2), pages 655-677, April.

    More about this item

    Keywords

    Margin Trading; Short Selling; Brokers; Evolutionary Finance;
    All these keywords.

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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