A comparison of hazard rates of duration outcomes before and after policy changes is hampered by non-identification if … considering spells crossing the policy change. We prove identification of average treatment effect on hazard rates without model …

overview of duration analysis, with an emphasis on the specification and identification of duration models, and with special …. Next, we examine models for multiple durations. In the applied econometric literature on the estimation of multiple-duration … linked to particular estimation strategies. The multiple-duration model where the marginal duration distributions each …