3 IZA Discussion Papers
IZA Discussion Paper No. 6649
published in: Economic Inquiry, 2016, 54 (1), 247–267
IZA Discussion Paper No. 942
IZA Discussion Paper No. 941
revised version published as 'Dynamic programming model estimates of Social Security Disability Insurance application timing" in Journal of Applied Econometrics, 2004, 19 (6), 671-685