Hours of Part-Time and Full-Time Workers at the Same Firm

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Abstract

Nearly half of all firms hire both part-time and full-time workers. This note uses the results of a unique survey of more than 5,000 establishments to examine the ratio of part-time weekly hours to full-time weekly hours at firms employing both types of worker. The distribution of relative hours appears fairly stable across industries, Regression analysis shows that higher quasi-fixed labor costs increase the ratio of part-time to full-time hours, although the effect is empirically small.

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