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Table 8

IV regressions of part-time work and self-employment of older cohorts, and OLS regressions of log average hourly wages on log part-time and self-employed workforce shares, 1984–2016

50- to 59-Year-Olds60- to 69-Year-Olds
Part-TimeSelf-employedSelf-employed, IncorporatedSelf-employed, UnincorporatedPart-TimeSelf-employedSelf-employed, IncorporatedSelf-employed, Unincorporated
A. IV Regressions for Log Shares of Labor Force, Both Sexes 
 ln(older cohort size / cohort size aged 16–24) 0.306 0.554 –1.408* 1.194* 0.062 0.037 0.125 –0.005 
[0.363] [0.308] [0.644] [0.510] [0.219] [0.210] [0.362] [0.266] 
 ln(older cohort size / cohort size aged 25–49) 0.371 0.511 –0.513 1.084* 0.614** 0.115 0.877 –0.030 
[0.251] [0.323] [0.465] [0.528] [0.232] [0.291] [0.676] [0.329] 
B. OLS Regressions for Log Average Hourly Wages, Both Sexes 
 Regression for part-time and for self-employed –0.056** 0.004   –0.124** –0.008   
[0.013] [0.012]   [0.023] [0.014]   
 Regression for part-time, self-employed incorporated, and self-employed unincorporated –0.055**  0.007 –0.000 –0.123**  0.007 –0.016 
[0.012]  [0.007] [0.010] [0.023]  [0.009] [0.009] 
50- to 59-Year-Olds60- to 69-Year-Olds
Part-TimeSelf-employedSelf-employed, IncorporatedSelf-employed, UnincorporatedPart-TimeSelf-employedSelf-employed, IncorporatedSelf-employed, Unincorporated
A. IV Regressions for Log Shares of Labor Force, Both Sexes 
 ln(older cohort size / cohort size aged 16–24) 0.306 0.554 –1.408* 1.194* 0.062 0.037 0.125 –0.005 
[0.363] [0.308] [0.644] [0.510] [0.219] [0.210] [0.362] [0.266] 
 ln(older cohort size / cohort size aged 25–49) 0.371 0.511 –0.513 1.084* 0.614** 0.115 0.877 –0.030 
[0.251] [0.323] [0.465] [0.528] [0.232] [0.291] [0.676] [0.329] 
B. OLS Regressions for Log Average Hourly Wages, Both Sexes 
 Regression for part-time and for self-employed –0.056** 0.004   –0.124** –0.008   
[0.013] [0.012]   [0.023] [0.014]   
 Regression for part-time, self-employed incorporated, and self-employed unincorporated –0.055**  0.007 –0.000 –0.123**  0.007 –0.016 
[0.012]  [0.007] [0.010] [0.023]  [0.009] [0.009] 

Notes: For panel A, notes from Tables 5 and 6 apply. Each column is a separate specification. Part-time and self-employed come from different questions and are not mutually exclusive. Part-time and self-employment status are based on current employment only. In panel B, each row reports results from two separate regressions for log average hourly wages, for 50- to 59-year-olds or 60- to 69-year-olds.

p < .10; *p < .05; **p < .01

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