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On Default and Uniqueness of Monetary Equilibria

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Abstract

We examine the role that credit risk in the central bank's monetary operations plays in the determination of the equilibrium price level and allocations. Our model features trade in fiat money, real assets and a monetary authority which injects money into the economy through short-term and long-term loans to agents. Short-term loans are riskless, but long-term loans are collateralized by a portfolio of real assets and are subject to credit risk. The private monetary wealth of individuals is zero, i.e., there is no outside money. When there is no default in equilibrium, there is indeterminacy. Positive default in every state of the world on some long-term loan endogenously creates positive liquid wealth that supports positive interest rates and resolves the aforementioned indeterminacy. Hence, a non-Ricardian policy across loan markets can determine the equilibrium allocations while it allows the central bank to earn profits from seigniorage in order to compensate for any losses.

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  • Li Lin & Dimitrios P. Tsomocos & Alexandros Vardoulakis, 2015. "On Default and Uniqueness of Monetary Equilibria," Finance and Economics Discussion Series 2015-34, Board of Governors of the Federal Reserve System (U.S.).
  • Handle: RePEc:fip:fedgfe:2015-34
    DOI: 10.17016/FEDS.2015.034
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    Cited by:

    1. Xuan Wang, 2019. "When Do Currency Unions Benefit From Default ?," 2019 Papers pwa938, Job Market Papers.
    2. Salomon Faure & Hans Gersbach, 2022. "Loanable funds versus money creation in banking: a benchmark result," Journal of Economics, Springer, vol. 135(2), pages 107-149, March.
    3. Li Lin & Dimitrios P. Tsomocos & Alexandros P. Vardoulakis, 2019. "Debt deflation effects of monetary policy," Chapters, in: Financial Regulation and Stability, chapter 9, pages 245-258, Edward Elgar Publishing.
    4. Nikolaos Romanidis & Dimitrios P. Tsomocos, 2022. "Default and determinacy under quantitative easing," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 74(1), pages 95-111, July.
    5. Xuan Wang, 2021. "Bankruptcy Codes and Risk Sharing of Currency Unions," Tinbergen Institute Discussion Papers 21-009/IV, Tinbergen Institute.

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    More about this item

    Keywords

    Collateral; Default; Determinacy; Liquid wealth; Monetary policy;
    All these keywords.

    JEL classification:

    • D50 - Microeconomics - - General Equilibrium and Disequilibrium - - - General
    • E40 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - General
    • E50 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - General

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