Contingent workers generally earn less income and are less likely to receive health insurance and pension benefits through their employers than are noncontingent workers. However, many earn higher wages than those in traditional arrangements and have access to health insurance from other sources. (Author)

Lower pay of former temporary employees and higher pay of men formerly self-employed are likely caused by unobserved heterogeneity, according to 15 years of National Longitudinal Survey data. In wage growth models that eliminate this bias, past part-time work has a negative effect on current wages, which vary with gender and whether part-time…