TY  - CHAP
A1  - van den Berg, G.J.
T1  - Duration models: Specification, identification and multiple durations
Y1  - 2001
DO  - 10.1016/S1573-4412(01)05008-5
A3  - Heckman, J.
A3  - Leamer, E.
T2  - Handbook of econometrics
CY  - Amsterdam
PB  - Elsevier

ER  -