1. Bücker, M., Krämer, W., 2011. Reject inference in consumer credit scoring with nonignorable missing data. Tech. Rep. 1/2011. SFB 823, TU Dortmund. URL: http://www.statistik.tu-dortmund.de/sfb823-dp.html.
2. Who is discouraged from applying for credit?;Crook;Economics Letters,1999
3. Specification tests in econometrics;Hausman;Econometrica,1978
4. Missing data and maximum likelihood estimation;Hsiao;Economics Letters,1980
5. On testing the missing at random assumption;Jaeger,2006