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Financial Entanglement: A Theory of Incomplete Integration, Leverage, Crashes, and Contagion

Author

Listed:
  • Nicolae Gârleanu
  • Stavros Panageas
  • Jianfeng Yu

Abstract

We propose a unified model of limited market integration, asset-price determination, leveraging, and contagion. Investors and firms are located on a circle, and access to markets involves participation costs that increase with distance. Due to a complementarity between participation and leverage decisions, the equilibrium may exhibit diverse leverage and participation choices across investors, although investors are ex ante identical. Small changes in market-access costs can cause a change in the type of equilibrium, leading to discontinuous price changes, deleveraging, and portfolio-flow reversals. Moreover, the market is subject to contagion—an adverse shock to investors in some locations affects prices everywhere. (JEL D83, G11, G12, G32, G35)

Suggested Citation

  • Nicolae Gârleanu & Stavros Panageas & Jianfeng Yu, 2015. "Financial Entanglement: A Theory of Incomplete Integration, Leverage, Crashes, and Contagion," American Economic Review, American Economic Association, vol. 105(7), pages 1979-2010, July.
  • Handle: RePEc:aea:aecrev:v:105:y:2015:i:7:p:1979-2010
    Note: DOI: 10.1257/aer.20131076
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    References listed on IDEAS

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    1. Stijn Van Nieuwerburgh & Laura Veldkamp, 2010. "Information Acquisition and Under-Diversification," Review of Economic Studies, Oxford University Press, vol. 77(2), pages 779-805.
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    Citations

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    Cited by:

    1. Laura Gianfagna & Armando Rungi, 2017. "Does corporate control matter to financial volatility?," Working Papers 09/2017, IMT Institute for Advanced Studies Lucca, revised Nov 2017.
    2. Zhiguo He & Arvind Krishnamurthy, 2018. "Intermediary Asset Pricing and the Financial Crisis," NBER Working Papers 24415, National Bureau of Economic Research, Inc.
    3. Renée Fry-McKibbin & Cody Yu-Ling Hsiao & Vance L. Martin, 2017. "Joint tests of contagion with applications to financial crises," CAMA Working Papers 2017-65, Centre for Applied Macroeconomic Analysis, Crawford School of Public Policy, The Australian National University.
    4. repec:eee:macchp:v2-163 is not listed on IDEAS
    5. He, Zhiguo & Kelly, Bryan & Manela, Asaf, 2017. "Intermediary asset pricing: New evidence from many asset classes," Journal of Financial Economics, Elsevier, vol. 126(1), pages 1-35.
    6. Gertler, M. & Kiyotaki, N. & Prestipino, A., 2016. "Wholesale Banking and Bank Runs in Macroeconomic Modeling of Financial Crises," Handbook of Macroeconomics, Elsevier.

    More about this item

    JEL classification:

    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill
    • G35 - Financial Economics - - Corporate Finance and Governance - - - Payout Policy

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