Arbeitspapier

Monetary Policy with Reserves and CBDC: Optimality, Equivalence, and Politics

We analyze policy in a two-tiered monetary system. Noncompetitive banks issue deposits while the central bank issues reserves and a retail CBDC. Monies differ with respect to operating costs and liquidity. We map the framework into a baseline business cycle model with “pseudo wedges” and derive optimal policy rules: Spreads satisfy modified Friedman rules and deposits must be taxed or subsidized. We generalize the Brunnermeier and Niepelt (2019) result on the macro irrelevance of CBDC but show that a deposit based payment system requires higher taxes. The model implies annual implicit subsidies to U.S. banks of up to 0:8 percent of GDP during the period 1999-2017.

Sprache
Englisch

Erschienen in
Series: CESifo Working Paper ; No. 8712

Klassifikation
Wirtschaft
Monetary Systems; Standards; Regimes; Government and the Monetary System; Payment Systems
Interest Rates: Determination, Term Structure, and Effects
Money Supply; Credit; Money Multipliers
Monetary Policy
Thema
reserves
deposits
central bank digital currency
monetary policy
Friedman rule
equivalence
Ramsey policy
bank profits
money creation

Ereignis
Geistige Schöpfung
(wer)
Niepelt, Dirk
Ereignis
Veröffentlichung
(wer)
Center for Economic Studies and Ifo Institute (CESifo)
(wo)
Munich
(wann)
2020

Handle
Letzte Aktualisierung
10.03.2025, 11:43 MEZ

Datenpartner

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Objekttyp

  • Arbeitspapier

Beteiligte

  • Niepelt, Dirk
  • Center for Economic Studies and Ifo Institute (CESifo)

Entstanden

  • 2020

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