@misc{KrahnenWilde2009,
  author    = {Jan Pieter Krahnen and Christian Wilde},
  title     = {CDOs and systematic risk : why bond ratings are inadequate},
  booktitle = {Center for Financial Studies (Frankfurt am Main): CFS working paper series ; No. 2009,11},
  number    = {Version June 24, 2009},
  institution = {Center for Financial Studies (CFS)},
  series    = {CFS working paper series},
  number    = {2009, 11},
  type      = {workingpaper},
  pages     = {27},
  year        = {2009},
}