Discussion paper DP18307 Optimal Monetary Policy with r*<0 Roberto Billi Jordi Galí Anton Nakov 21 Jul 2023 Monetary Economics and Fluctuations E32 E52
Discussion paper DP4111 Optimal Monetary Policy Under Commitment with a Zero Bound on Nominal Interest Rates Klaus Adam Roberto Billi 23 Nov 2003 International Macroeconomics E31 E52
