@misc{CoenenWieland2005,
  author    = {G{\"u}nter Coenen and Volker Wieland},
  title     = {Exchange-rate policy and the zero bound on nominal interest},
  institution = {Center for Financial Studies (CFS)},
  series    = {CFS working paper series},
  number    = {2004, 14},
  year      = {2005}
}