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Asset Pledgeability and Endogenously Leveraged Bubbles

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  • Julien BENGUI
  • Toan PHAN

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

  • Julien BENGUI & Toan PHAN, 2018. "Asset Pledgeability and Endogenously Leveraged Bubbles," Cahiers de recherche 07-2018, Centre interuniversitaire de recherche en économie quantitative, CIREQ.
  • Handle: RePEc:mtl:montec:07-2018
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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. Lise Clain‐Chamosset‐Yvrard & Xavier Raurich & Thomas Seegmuller, 2023. "Are the Liquidity and Collateral Roles of Asset Bubbles Different?," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 55(6), pages 1443-1473, September.
    4. 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.
    5. Potjagailo, Galina & Wolters, Maik H., 2023. "Global financial cycles since 1880," Journal of International Money and Finance, Elsevier, vol. 131(C).
    6. Nina Biljanovska & Lucyna Gornicka & Alexandros Vardoulakis, 2019. "Optimal Macroprudential Policy and Asset Price Bubbles," IMF Working Papers 2019/184, International Monetary Fund.
    7. Le, Vo Phuong Mai & Meenagh, David & Minford, Patrick, 2023. "Could an economy get stuck in a rational pessimism bubble? The case of Japan," Cardiff Economics Working Papers E2023/13, Cardiff University, Cardiff Business School, Economics Section.
    8. Victor Filipe Martins da Rocha & Toan Phan & Yiannis Vailakis, 2019. "Debt Limits and Credit Bubbles in General Equilibrium," Post-Print hal-02429759, HAL.
    9. Feng Dong & Zhiwei Xu & Yu Zhang, 2022. "Bubbly Bitcoin," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 74(3), pages 973-1015, October.
    10. Siddhartha Biswas & Andrew Hanson & Toan Phan, 2020. "Bubbly Recessions," American Economic Journal: Macroeconomics, American Economic Association, vol. 12(4), pages 33-70, October.
    11. 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.
    12. Dong, Feng & Xu, Zhiwei, 2022. "Bubbly bailout," Journal of Economic Theory, Elsevier, vol. 202(C).
    13. 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.
    14. Jacopo Bonchi, 2023. "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, vol. 47, pages 186-203, January.
    15. Jacopo Bonchi, 2023. "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, vol. 47, pages 186-203, January.
    16. Laura Bakkensen & Toan Phan & Russell Wong, 2023. "Leveraging the Disagreement on Climate Change: Theory and Evidence," Working Paper 23-01, Federal Reserve Bank of Richmond.
    17. Tomohiro Hirano & Alexis Akira Toda, 2023. "Bubble Necessity Theorem," Papers 2305.08268, arXiv.org, revised Apr 2024.
    18. Tomohiro Hirano & Alexis Akira Toda, 2023. "Bubble Necessity Theorem," Papers 2305.08268, arXiv.org, revised Apr 2024.
    19. Tang, Haozhou & Zhang, Donghai, 2022. "Bubbly firm dynamics and aggregate fluctuations," Journal of Monetary Economics, Elsevier, vol. 132(C), pages 64-80.
    20. 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.).
    21. Chenxi Wang, 2023. "Asset bubbles and frictional intermediation," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 76(3), pages 921-961, October.

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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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