If a firm wants to reduce its workforce, it may dismiss some of its workers. Altematively, it may make workers eligible for disability benefits. Upon examination these workers formally satisfy the conditions for disability enrolment. Because these conditions allow for a rather liberal...

This paper presents new identification conditions for the mixed proportional hazard model. In particular, the baseline hazard is assumed to be bounded away from 0 and ∞ near t = 0. These conditions ensure that the information matrix is nonsingular. The paper also presents an estimator for...

This paper has been presented at the Journal of Applied Econometrics International Conference on the Micro-Econometrics of Dynamic Decision Making, in Tilburg, May 1994. We would like to thank John Rust, Arie Kapteyn and other participants at this conference for their helpful comments. This...