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Incentive Constrained Risk Sharing, Segmentation, and Asset Pricing

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  • Bruno Biais
  • Johan Hombert
  • Pierre-Olivier Weill

Abstract

Incentive problems make securities' payoffs imperfectly pledgeable, limiting agents' ability to issue liabilities. We analyze the equilibrium consequences of such endogenous incompleteness in a dynamic exchange economy. Because markets are endogenously incomplete, agents have different intertemporal marginal rates of substitution, so that they value assets differently. Consequently, agents hold different portfolios. This leads to endogenous markets segmentation, which we characterize with optimal transport methods. Moreover, there is a basis going always in the same direction: the price of a security is lower than that of replicating portfolios of long positions. Finally, equilibrium expected returns are concave in factor loadings.

Suggested Citation

  • Bruno Biais & Johan Hombert & Pierre-Olivier Weill, 2021. "Incentive Constrained Risk Sharing, Segmentation, and Asset Pricing," American Economic Review, American Economic Association, vol. 111(11), pages 3575-3610, November.
    • Handle: RePEc:aea:aecrev:v:111:y:2021:i:11:p:3575-3610
    DOI: 10.1257/aer.20181707
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    References listed on IDEAS

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    1. repec:fth:starer:98-25 is not listed on IDEAS
    2. John Moore & Nobuhiro Kiyotaki, 2008. "Liquidity, Business Cycles, and Monetary Policy," 2008 Meeting Papers 35, Society for Economic Dynamics.
    3. repec:fth:starer:9825 is not listed on IDEAS
    4. Venky Venkateswaran & Randall Wright, 2014. "Pledgability and Liquidity: A New Monetarist Model of Financial and Macroeconomic Activity," NBER Macroeconomics Annual, University of Chicago Press, vol. 28(1), pages 227-270.
    5. Lagos, Ricardo, 2010. "Asset prices and liquidity in an exchange economy," Journal of Monetary Economics, Elsevier, vol. 57(8), pages 913-930, November.
    6. S. Rao Aiyagari & Mark Gertler, 1999. ""Overreaction" of Asset Prices in General Equilibrium," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 2(1), pages 3-35, January.
    7. Prescott, Edward C & Townsend, Robert M, 1984. "Pareto Optima and Competitive Equilibria with Adverse Selection and Moral Hazard," Econometrica, Econometric Society, vol. 52(1), pages 21-45, January.
    8. Mas-Colell, Andreu & Zame, William R., 1991. "Equilibrium theory in infinite dimensional spaces," Handbook of Mathematical Economics, in: W. Hildenbrand & H. Sonnenschein (ed.), Handbook of Mathematical Economics, edition 1, volume 4, chapter 34, pages 1835-1898, Elsevier.
    9. Nobuhiro Kiyotaki, 1998. "Credit and Business Cycles," The Japanese Economic Review, Japanese Economic Association, vol. 49(1), pages 18-35, March.
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    Cited by:

    1. Nina Boyarchenko & Thomas M. Eisenbach & Pooja Gupta & Or Shachar & Peter Van Tassel, 2018. "Bank-Intermediated Arbitrage," Liberty Street Economics 20181018, Federal Reserve Bank of New York.
    2. Hugues Dastarac, 2021. "Strategic Trading, Welfare and Prices with Futures Contracts," Working papers 841, Banque de France.
    3. Paymon Khorrami & Alexander K. Zentefis, 2020. "Arbitrage and Beliefs," CESifo Working Paper Series 8490, CESifo.
    4. Zhiguo He & Paymon Khorrami & Zhaogang Song, 2022. "Commonality in Credit Spread Changes: Dealer Inventory and Intermediary Distress," The Review of Financial Studies, Society for Financial Studies, vol. 35(10), pages 4630-4673.
    5. Iraola, Miguel A. & Sepúlveda, Fabián & Torres-Martínez, Juan Pablo, 2019. "Financial segmentation and collateralized debt in infinite-horizon economies," Journal of Mathematical Economics, Elsevier, vol. 80(C), pages 56-69.
    6. Erwan Morellec & Boris Nikolov & Norman Schürhoff, 2018. "Agency Conflicts around the World," The Review of Financial Studies, Society for Financial Studies, vol. 31(11), pages 4232-4287.

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    More about this item

    JEL classification:

    • D51 - Microeconomics - - General Equilibrium and Disequilibrium - - - Exchange and Production Economies
    • D52 - Microeconomics - - General Equilibrium and Disequilibrium - - - Incomplete Markets
    • 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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