Uber, the ride-sharing company launched in 2010, has grown at an exponential rate. This paper provides the first comprehensive analysis of the labor market for Uber's driver-partners, based on both survey and administrative data. Drivers who partner with Uber appear to be attracted to the...

Reported multiple job holding rates in the U.S. are found to be substantially higher among workers in their first month in the CPS sample (the first rotation group), with rates declining in subsequent rotation groups. True rates should not differ across rotation groups. Using 22 years of CPS...

Multiple job holding rates differ substantially across U.S. regions, states, and metropolitan areas. Rates decrease markedly with respect to labor market size. These patterns have been largely overlooked, despite being relatively fixed over (at least) the 1998-2014 period. This paper explores...

This article analyzes multiple job holding in the context of economic transition. Evidence from a nationally representative longitudinal survey of Russian citizens is used to characterize secondary jobs and second job holders, with emphasis on the determinants of multiple job holding. There has...

This paper investigates the persistence and determinants of second job holding in Germany, especially marginal second jobs, following a legislative change allowing extensive dispensation of marginal second jobs from taxes and social security contributions. I document an upward trend in second...