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Asset pledgeability and endogenously leveraged bubbles

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  • BENGUI, Julien
  • PHAN, Toan

Abstract

We develop a simple model of defaultable debt and rational bubbles in the price of an asset, which can be pledged as collateral in a competitive credit pool. When the asset pledgeability is low, the down payment is high, and bubble investment is unleveraged, as in a standard rational bubble model. When the pledgeability is high, the down payment is low, making it easier for leveraged borrowers to invest in the bubbly asset. As loans are packaged together into a competitive pool, the pricing of individual default risk may facilitate risk-taking. In equilibrium, credit-constrained borrowers may optimally choose a risky leveraged investment strategy – borrow to invest in the bubbly asset and default if the bubble bursts. The model predicts joint boom-bust cycles in asset prices and securitized credit.

Suggested Citation

  • BENGUI, Julien & PHAN, Toan, 2018. "Asset pledgeability and endogenously leveraged bubbles," Cahiers de recherche 2018-04, Universite de Montreal, Departement de sciences economiques.
  • Handle: RePEc:mtl:montde:2018-04
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    Cited by:

    1. Daisuke Ikeda & Toan Phan & Timothy Sablik, 2020. "Asset Bubbles and Global Imbalances," Richmond Fed Economic Brief, Federal Reserve Bank of Richmond, vol. 20, pages 1-4, January.
    2. Alberto Martin & Jaume Ventura, 2018. "The Macroeconomics of Rational Bubbles: A User's Guide," Annual Review of Economics, Annual Reviews, vol. 10(1), pages 505-539, August.
    3. Jordi Galí, 2016. "Monetary policy and bubbles in a new Keynesian model with overlapping generations," Economics Working Papers 1561, Department of Economics and Business, Universitat Pompeu Fabra, revised Jan 2020.
    4. Potjagailo, Galina & Wolters, Maik H., 2019. "Global financial cycles since 1880," Kiel Working Papers 2122, Kiel Institute for the World Economy (IfW Kiel).
    5. Nina Biljanovska & Lucyna Gornicka & Alexandros Vardoulakis, 2019. "Optimal Macroprudential Policy and Asset Price Bubbles," IMF Working Papers 2019/184, International Monetary Fund.
    6. Lise Clain-Chamosset-Yvrard & Xavier Raurich & Thomas Seegmuller, 2020. "Are the liquidity and collateral roles of asset bubbles different?," AMSE Working Papers 2010, Aix-Marseille School of Economics, France.
    7. Victor Filipe Martins da Rocha & Toan Phan & Yiannis Vailakis, 2019. "Debt Limits and Credit Bubbles in General Equilibrium," Post-Print hal-02429759, HAL.
    8. Siddhartha Biswas & Andrew Hanson & Toan Phan, 2020. "Bubbly Recessions," American Economic Journal: Macroeconomics, American Economic Association, vol. 12(4), pages 33-70, October.
    9. Lise Clain-Chamosset-Yvrard & Xavier Raurich & Thomas Seegmuller, 2021. "Entrepreneurship, growth and productivity with bubbles," AMSE Working Papers 2106, Aix-Marseille School of Economics, France.
    10. Dong, Feng & Xu, Zhiwei, 2022. "Bubbly bailout," Journal of Economic Theory, Elsevier, vol. 202(C).
    11. Jacopo Bonchi & Francesco Simone Lucidi, 2020. "How Low Interest Rates Discern the Bubbles Nature: Leveraged vs Unleveraged Bubble," Working Papers 12/20, Sapienza University of Rome, DISS.
    12. Jacopo Bonchi, . "Asset Price Bubbles and Monetary Policy: Revisiting the Nexus at the Zero Lower Bound," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics.
    13. Jacopo Bonchi, . "Asset Price Bubbles and Monetary Policy: Revisiting the Nexus at the Zero Lower Bound," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics.
    14. Matt Darst & Ehraz Refayet, 2019. "Mixed Signals: Investment Distortions with Adverse Selection," Finance and Economics Discussion Series 2019-044, Board of Governors of the Federal Reserve System (U.S.).

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    More about this item

    Keywords

    Rational bubbles; collateral; credit pool; household debt; equilibrium default;
    All these keywords.

    JEL classification:

    • E12 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Keynes; Keynesian; Post-Keynesian; Modern Monetary Theory
    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • G01 - Financial Economics - - General - - - Financial Crises

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