The Optimal Quantity of CBDC in a Bank-Based Economy

A-Tier
Journal: American Economic Journal: Macroeconomics
Year: 2024
Volume: 16
Issue: 4
Pages: 172-217

Score contribution per author:

1.341 = (α=2.01 / 3 authors) × 2.0x A-tier

α: calibrated so average coauthorship-adjusted count equals average raw count

Abstract

We show that the estimated effect of digital euro news on bank stock valuations and lending depends on the bank's deposit reliance and the central bank digital currency (CBDC) design features. Using a quantitative DSGE model calibrated to the euro area economy that replicates such evidence, we find that CBDC issuance yields nontrivial welfare trade-offs between, on one side, the positive expansion of liquidity services and the improved stabilization of deposit funding and lending and, on the other side, a negative bank disintermediation effect. The optimal amount of CBDC lies between 15 and 45 percent of quarterly GDP.

Technical Details

RePEc Handle
repec:aea:aejmac:v:16:y:2024:i:4:p:172-217
Journal Field
Macro
Author Count
3
Added to Database
2026-01-25