The dynamics of job separation: The case of federal employees
利用美国联邦雇员面板数据，用最大似然法区分离职率随任期下降的原因：是个人离职倾向下降（状态依赖）还是样本自选择（异质性），发现后者更重要，并估计了相对工资等变量的影响。
Abstract In this paper we develop a model of workers' quit decisions . Using panel data on a sample of US Federal government employees we use maximum‐likelihood techniques to determine how much of the observed decline in quits with job tenure is a result of declining individual quit propensities (‘state dependence’) rather than dynamic sample self‐selection (‘heterogeneity’). The latter is found to be much more important than the former. The effects of relative Federal government wages and other variables on quits are also estimated. The results are useful for analysing Federal compensation policies.