Every month, millions of workers search for new jobs although they already have one. About one-tenth of these searchers switch employers in the following month. However, most of the job switchers in the United States never reported having looked for a job. This implies that, rather than those...

Some types of jobs lost during recessions are never recovered, which suggests some unemployed workers must change careers. However, data on hiring during recessions shows the fraction of unemployed workers who change their industry or occupation declines rather than increases. This reflects in...