This paper demonstrates two important results related to the estimation of a competing risks model under the proportional hazards assumption with grouped duration data, a model that has become the canonical model for the termination of mortgages with prepayment and default as two competing...

This paper studies a structural model of labor market history in an environment with duration dependence. We treat the agent's job search effort explicitly as part of the dynamic decision along with a binary employment choice. The optimal policy is shown to exist and to be of the stationary...