@misc{BletzingerWieland2013,
  author    = {Tilman Bletzinger and Volker Wieland},
  title     = {Estimating the European Central Bank's "Extended Period of Time"},
  booktitle = {Working paper series / Institute for Monetary and Financial Stability ; 74},
  url       = {http://www.imfs-frankfurt.de/fileadmin/user_upload/pdf/IMFS_WP_74.pdf},
  institution = {Wirtschaftswissenschaften},
  series    = {Working paper series / Institute for Monetary and Financial Stability},
  number    = {74},
  type      = {workingpaper},
  pages     = {1 -- 10},
  year        = {2013},
}