Changes in Job Instability and Insecurity Using Monthly Survey Data
利用收入与项目参与调查的月度数据，对比年度数据，发现1980-1990年代美国工作流动率和不安全感指标（如非自愿离职、失业后工资下降）均未上升。
This article provides evidence on changes in short-term job instability and insecurity using the Survey of Income and Program Participation. Monthly measures from this data set are contrasted with annual measures from the Survey of Income and Program Participation and the Panel Study of Income Dynamics. Neither data set shows an increase in job turnover during the 1980s and 1990s. We also examine indicators of increased insecurity. These include the probability that a job ends involuntarily, is followed by a spell of nonemployment, or that the subsequent job has lower wages. These indicators of insecurity also show no upward trend. Copyright 1999 by University of Chicago Press.