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Collateralized Borrowing and Increasing Risk

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Abstract

This paper uses a general equilibrium model with collateralized borrowing to show that increases in risk can have ambiguous effects on leverage, loan margins, loan amounts, and asset prices. Increasing risk about future payoffs and endowments can lead to riskier loans with larger balances and lower spreads even when lenders are risk-averse and borrowers can default. As well, increasing the covariance of either agents' endowments with the asset payoff can have ambiguous consequences for equilibrium. Though the effects are ambiguous, key determinants of how increased risk translate into changes in prices and allocations are the correlation of agents' endowments with the asset payoff, agents' risk aversion, and the location of increased risk in the distribution of future states. Some restricted changes in the borrower's or lender's endowments can have unambiguous but asymmetric effects on equilibrium.

Suggested Citation

  • Gregory Phelan, 2015. "Collateralized Borrowing and Increasing Risk," Department of Economics Working Papers 2015-03, Department of Economics, Williams College, revised Jun 2015.
  • Handle: RePEc:wil:wileco:2015-03
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    1. Zhiguo He & Arvind Krishnamurthy, 2013. "Intermediary Asset Pricing," American Economic Review, American Economic Association, vol. 103(2), pages 732-770, April.
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    11. Aloisio Araujo, 2015. "General equilibrium, preferences and financial institutions after the crisis," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 58(2), pages 217-254, February.
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    Cited by:

    1. Feixue Gong & Gregory Phelan, 2020. "Debt collateralization, capital structure, and maximal leverage," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 70(2), pages 579-605, September.
    2. Ana Fostel & John Geanakoplos & Gregory Phelan, 2015. "Global Collateral: How Financial Innovation Drives Capital Flows and Increases Financial Instability," Department of Economics Working Papers 2015-12, Department of Economics, Williams College, revised Feb 2017.
    3. Feixue Gong & Gregory Phelan, 2016. "Debt Collateralization, Structured Finance, and the CDS Basis," Department of Economics Working Papers 2016-06, Department of Economics, Williams College, revised Aug 2017.
    4. Feixue Gong & Gregory Phelan, 2020. "Collateral Constraints, Tranching, and Price Bases," Department of Economics Working Papers 2020-03, Department of Economics, Williams College.
    5. Hoelle, Matthew, 2017. "The effects of dependent beliefs on endogenous leverage," Journal of Mathematical Economics, Elsevier, vol. 73(C), pages 68-80.
    6. Gong Feixue & Gregory Phelan, 2017. "Debt Collateralization, Structured Finance, and the CDS Basis," Department of Economics Working Papers 2017-06, Department of Economics, Williams College.

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    More about this item

    Keywords

    Leverage; risk; collateral constraints; asset prices;
    All these keywords.

    JEL classification:

    • D52 - Microeconomics - - General Equilibrium and Disequilibrium - - - Incomplete Markets
    • D53 - Microeconomics - - General Equilibrium and Disequilibrium - - - Financial 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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