APA
Billi R. M., National Bureau of Economic Research, Galí J. & Nakov A. (2023). Optimal monetary policy with r*<0. Cambridge: NBER.
Chicago
Billi Roberto M, National Bureau of Economic Research, Galí Jordi and Nakov Anton. 2023. Optimal monetary policy with r*<0. Cambridge: NBER.
Harvard
Billi R. M., National Bureau of Economic Research, Galí J. and Nakov A. (2023). Optimal monetary policy with r*<0. Cambridge: NBER.
MLA
Billi Roberto M, National Bureau of Economic Research, Galí Jordi and Nakov Anton. Optimal monetary policy with r*<0. Cambridge: NBER. 2023.