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Ambiguity, information processing, and financial intermediation

Author

Listed:
  • Han, Leyla Jianyu
  • Kasa, Kenneth
  • Luo, Yulei

Abstract

This paper incorporates ambiguity and information processing constraints into the He and Krishnamurthy (2012) model of intermediary asset pricing. Financial intermediaries possess greater information processing capacity than households. In response, households optimally choose to delegate their investment decisions. The contractual relationship between households and intermediaries is subject to a moral hazard friction, which results in a financial constraint. We show that ambiguity aversion not only amplifies households' incentives to delegate but also tightens the financial constraint. The calibrated model can quantitatively explain both the unconditional and time-varying moments of observed asset prices while endogenously generating an empirically consistent crisis frequency.

Suggested Citation

  • Han, Leyla Jianyu & Kasa, Kenneth & Luo, Yulei, 2024. "Ambiguity, information processing, and financial intermediation," Journal of Economic Theory, Elsevier, vol. 222(C).
    • Handle: RePEc:eee:jetheo:v:222:y:2024:i:c:s0022053124001285
    DOI: 10.1016/j.jet.2024.105922
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    More about this item

    Keywords

    Ambiguity; Rational inattention; Portfolio delegation; Intermediary asset pricing; Financial crisis;
    All these keywords.

    JEL classification:

    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • G01 - Financial Economics - - General - - - Financial Crises
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G20 - Financial Economics - - Financial Institutions and Services - - - General

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