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      <marc:subfield code="a">Witmer, Jonathan,</marc:subfield>
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      <marc:subfield code="a">The optimum quantity of central bank reserves / </marc:subfield>
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      <marc:subfield code="a">"Last updated: May 27, 2025."</marc:subfield>
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      <marc:subfield code="a">"This paper analyzes the optimal quantity of central bank reserves in an economy where reserves and other financial assets provide liquidity benefits. Using a static model, I derive a constrained Friedman rule that characterizes the socially optimal level of reserves, demonstrating that this quantity is neither necessarily large nor small but depends on the marginal benefits of reserves relative to alternative safe assets"--Abstract, page ii.</marc:subfield>
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