--------------------------------------------------------------------------------------------------------------------- name: log: /Users/rx59/Library/CloudStorage/Box-Box/322/Spring 2025/Problem Sets/PS3/PS3_Stata.log log type: text opened on: 10 Mar 2025, 15:46:41 . . clear all . * load data for Q1 . use mroz . . // 1(a) . sum inlf Variable | Obs Mean Std. dev. Min Max -------------+--------------------------------------------------------- inlf | 753 .5683931 .4956295 0 1 . sum inlf if exper>=12 Variable | Obs Mean Std. dev. Min Max -------------+--------------------------------------------------------- inlf | 286 .7552448 .4306956 0 1 . . // 1(b) . tab inlf kidslt6, col +-------------------+ | Key | |-------------------| | frequency | | column percentage | +-------------------+ =1 if in | lab frce, | # kids < 6 years 1975 | 0 1 2 3 | Total -----------+--------------------------------------------+---------- 0 | 231 72 19 3 | 325 | 38.12 61.02 73.08 100.00 | 43.16 -----------+--------------------------------------------+---------- 1 | 375 46 7 0 | 428 | 61.88 38.98 26.92 0.00 | 56.84 -----------+--------------------------------------------+---------- Total | 606 118 26 3 | 753 | 100.00 100.00 100.00 100.00 | 100.00 . . // 1(c) . gen kids = 0 . replace kids = 1 if (kidslt6>0) | (kidsge6>0) (524 real changes made) . sum kids Variable | Obs Mean Std. dev. Min Max -------------+--------------------------------------------------------- kids | 753 .6958831 .4603382 0 1 . . clear all . * load data for Q3 . use beauty . . // 3(a) . reg lwage educ Source | SS df MS Number of obs = 1,260 -------------+---------------------------------- F(1, 1258) = 95.89 Model | 31.5149966 1 31.5149966 Prob > F = 0.0000 Residual | 413.464976 1,258 .328668502 R-squared = 0.0708 -------------+---------------------------------- Adj R-squared = 0.0701 Total | 444.979972 1,259 .353439215 Root MSE = .5733 ------------------------------------------------------------------------------ lwage | Coefficient Std. err. t P>|t| [95% conf. interval] -------------+---------------------------------------------------------------- educ | .0602839 .0061563 9.79 0.000 .0482061 .0723616 _cons | .9014239 .0790132 11.41 0.000 .7464117 1.056436 ------------------------------------------------------------------------------ . . // 3(b) . egen meaneduc=mean(educ) . gen demeaneduc=educ-meaneduc . reg lwage demeaneduc Source | SS df MS Number of obs = 1,260 -------------+---------------------------------- F(1, 1258) = 95.89 Model | 31.5149966 1 31.5149966 Prob > F = 0.0000 Residual | 413.464976 1,258 .328668502 R-squared = 0.0708 -------------+---------------------------------- Adj R-squared = 0.0701 Total | 444.979972 1,259 .353439215 Root MSE = .5733 ------------------------------------------------------------------------------ lwage | Coefficient Std. err. t P>|t| [95% conf. interval] -------------+---------------------------------------------------------------- demeaneduc | .0602839 .0061563 9.79 0.000 .0482061 .0723616 _cons | 1.6588 .0161508 102.71 0.000 1.627114 1.690485 ------------------------------------------------------------------------------ . . log close name: log: /Users/rx59/Library/CloudStorage/Box-Box/322/Spring 2025/Problem Sets/PS3/PS3_Stata.log log type: text closed on: 10 Mar 2025, 15:46:41 ---------------------------------------------------------------------------------------------------------------------