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Bubbles and Collateral

Author

Listed:
  • Yu Awaya
  • Jihwan Do
  • Makoto Watanabe

Abstract

We construct a model of bubbles where an asset can be used as collateral primarily due to higher-order uncertainty: while both a lender and a borrower know that the intrinsic value of the asset is low, they may still believe that a “greater fool” exists who will purchase it at a much higher price. We show that such bubbles can lead to inefficient overinvestment under certain conditions. Using this framework, we also examine the impacts of macroprudential policies, as well as other regulatory measures such as interest rate hikes and the resolution of uncertainty.

Suggested Citation

  • Yu Awaya & Jihwan Do & Makoto Watanabe, 2025. "Bubbles and Collateral," CESifo Working Paper Series 11894, CESifo.
    • Handle: RePEc:ces:ceswps:_11894
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    References listed on IDEAS

    as
    1. Madison, Florian, 2024. "Asymmetric information in frictional markets for liquidity: Collateralized credit vs asset sale," Journal of Economic Dynamics and Control, Elsevier, vol. 159(C).
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    Keywords

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    JEL classification:

    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading

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