Abstract
Michael K. Lettau (1994) "Compensation
in Part-Time Jobs versus Full-Time Jobs: What if the Job is the
Same?"
I use data from the BLS' Employment Cost Index (ECI)
Program to document differences in compensation between
part-time and full-time jobs. The design of the ECI survey
allows me to compare wage and nonwage compensation in jobs
from the same establishment and occupation, but where one job
is part-time and the other job is full-time.
I find that compensation per hour is substantially lower in
part-time jobs than in full-time jobs, even when the jobs are
from the same establishment and occupation. Supplementary
results using data from the Current Population Survey suggest
that human capital differences between part-time and
full-time workers explain at most a minority of the large
difference in expected compensation. Therefore, the results
suggest that an individual can expect a lower wage rate if he
or she decides to work part-time rather than full-time, and
much lower benefits per hour.
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