@misc{BueckerKraemer2011,
  author    = {Michael B{\"u}cker and Walter Kr{\"a}mer},
  title     = {Reject inference in consumer credit scoring with nonignorable missing data},
  booktitle = {Discussion Paper SFB 823},
  volume    = {1},
  institution = {Wirtschaft (MSB)},
  type      = {contributiontoperiodical},
  year        = {2011},
}