@misc{AdamBilli2004,
  author    = {Klaus Adam and Roberto M. Billi},
  title     = {Optimal monetary policy under commitment with a zero bound on nominal interest rates : [Version: May 7, 2004]},
  booktitle = {Center for Financial Studies (Frankfurt am Main): CFS working paper series ; No. 2004,13},
  number    = {This Version: May 7, 2004},
  institution = {Center for Financial Studies (CFS)},
  series    = {CFS working paper series},
  number    = {2004, 13},
  type      = {workingpaper},
  year        = {2004},
}