IFDP Paper: To Cap or Not to Cap? Energy Crises in a Currency Union

12/12/2025 Federal Reserve Central banks

Momo KomatsuDuring the energy crisis in 2022 some Euro Area countries introduced price caps on energy, while others did not, leading to about 30 percentage points higher energy inflation in uncapped countries. This paper investigates the trade-offs policymakers face with energy price caps in a two-country currency union model with shared energy supply. The cooperative, optimal outcome is for neither country to impose a price cap, since the cap is a costly market distortion.

IFDP Paper: Decoupling Dollar and Treasury Privilege

12/12/2025 Federal Reserve Central banks

Wenxin Du, Ritt Keerati, and Jesse SchregerWe document a strong decoupling between the convenience yield on the US Dollar and US Treasuries. We measure the convenience of the U.S. dollar using covered interest parity (CIP) deviations between risk-free bank rates, such as secured overnight rates since the benchmark reform. In parallel, we measure the convenience of U.S. Treasury bonds through CIP deviations between government bond yields.

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