Unemployment Duration: Competing and Defective Risks
在竞争风险框架下研究失业持续时间，引入缺陷风险概念，区分无限持续期的两种来源，发现移动-停留模型优于搜索模型。
This paper examines the determinants of unemployment duration in a competing risks framework with two destination states: inactivity and employment. The innovation is the recognition of defective risks. A polynomial hazard function is used to differentiate between two possible sources of infinite durations. The first is produced by a random process of unlucky draws, the second by workers rejecting a destination state. The evidence favors the mover-stayer model over the search model. Refinement of the former approach, using a more flexible baseline hazard function, produces a robust and more convincing explanation for positive and zero transition rates out of unemployment.