----------------------------------------------------------------------------------- name: log: C:\Users\IRILab001\Desktop\proxylog.log log type: text opened on: 20 Sep 2019, 17:52:19 . reg lwage educ exper tenure married south urban black Source | SS df MS Number of obs = 935 -------------+------------------------------ F( 7, 927) = 44.75 Model | 41.8377619 7 5.97682312 Prob > F = 0.0000 Residual | 123.818521 927 .133569063 R-squared = 0.2526 -------------+------------------------------ Adj R-squared = 0.2469 Total | 165.656283 934 .177362188 Root MSE = .36547 ------------------------------------------------------------------------------ lwage | Coef. Std. Err. t P>|t| [95% Conf. Interval] -------------+---------------------------------------------------------------- educ | .0654307 .0062504 10.47 0.000 .0531642 .0776973 exper | .014043 .0031852 4.41 0.000 .007792 .020294 tenure | .0117473 .002453 4.79 0.000 .0069333 .0165613 married | .1994171 .0390502 5.11 0.000 .1227801 .276054 south | -.0909036 .0262485 -3.46 0.001 -.142417 -.0393903 urban | .1839121 .0269583 6.82 0.000 .1310056 .2368185 black | -.1883499 .0376666 -5.00 0.000 -.2622717 -.1144281 _cons | 5.395497 .113225 47.65 0.000 5.17329 5.617704 ------------------------------------------------------------------------------ . reg lwage educ exper tenure married south urban black IQ Source | SS df MS Number of obs = 935 -------------+------------------------------ F( 8, 926) = 41.27 Model | 43.5360162 8 5.44200202 Prob > F = 0.0000 Residual | 122.120267 926 .131879338 R-squared = 0.2628 -------------+------------------------------ Adj R-squared = 0.2564 Total | 165.656283 934 .177362188 Root MSE = .36315 ------------------------------------------------------------------------------ lwage | Coef. Std. Err. t P>|t| [95% Conf. Interval] -------------+---------------------------------------------------------------- educ | .0544106 .0069285 7.85 0.000 .0408133 .068008 exper | .0141458 .0031651 4.47 0.000 .0079342 .0203575 tenure | .0113951 .0024394 4.67 0.000 .0066077 .0161825 married | .1997644 .0388025 5.15 0.000 .1236134 .2759154 south | -.0801695 .0262529 -3.05 0.002 -.1316916 -.0286473 urban | .1819463 .0267929 6.79 0.000 .1293645 .2345281 black | -.1431253 .0394925 -3.62 0.000 -.2206304 -.0656202 IQ | .0035591 .0009918 3.59 0.000 .0016127 .0055056 _cons | 5.176439 .1280006 40.44 0.000 4.925234 5.427644 ------------------------------------------------------------------------------ . gen educIQ=educ*IQ . reg lwage educ exper tenure married south urban black IQ educIQ Source | SS df MS Number of obs = 935 -------------+------------------------------ F( 9, 925) = 36.76 Model | 43.6401231 9 4.84890256 Prob > F = 0.0000 Residual | 122.01616 925 .131909362 R-squared = 0.2634 -------------+------------------------------ Adj R-squared = 0.2563 Total | 165.656283 934 .177362188 Root MSE = .36319 ------------------------------------------------------------------------------ lwage | Coef. Std. Err. t P>|t| [95% Conf. Interval] -------------+---------------------------------------------------------------- educ | .0184559 .0410608 0.45 0.653 -.0621272 .0990391 exper | .0139072 .0031768 4.38 0.000 .0076725 .0201418 tenure | .0113929 .0024397 4.67 0.000 .0066049 .0161808 married | .2008658 .0388267 5.17 0.000 .1246671 .2770644 south | -.0802354 .026256 -3.06 0.002 -.1317637 -.0287072 urban | .1835758 .0268586 6.83 0.000 .1308649 .2362867 black | -.1466989 .0397013 -3.70 0.000 -.2246139 -.0687839 IQ | -.0009418 .0051625 -0.18 0.855 -.0110734 .0091899 educIQ | .0003399 .0003826 0.89 0.375 -.0004109 .0010907 _cons | 5.648248 .5462963 10.34 0.000 4.576124 6.720372 ------------------------------------------------------------------------------ . test educ educIQ IQ ( 1) educ = 0 ( 2) educIQ = 0 ( 3) IQ = 0 F( 3, 925) = 41.54 Prob > F = 0.0000 . reg lwage educ exper tenure married south urban black IQ Source | SS df MS Number of obs = 935 -------------+------------------------------ F( 8, 926) = 41.27 Model | 43.5360162 8 5.44200202 Prob > F = 0.0000 Residual | 122.120267 926 .131879338 R-squared = 0.2628 -------------+------------------------------ Adj R-squared = 0.2564 Total | 165.656283 934 .177362188 Root MSE = .36315 ------------------------------------------------------------------------------ lwage | Coef. Std. Err. t P>|t| [95% Conf. Interval] -------------+---------------------------------------------------------------- educ | .0544106 .0069285 7.85 0.000 .0408133 .068008 exper | .0141458 .0031651 4.47 0.000 .0079342 .0203575 tenure | .0113951 .0024394 4.67 0.000 .0066077 .0161825 married | .1997644 .0388025 5.15 0.000 .1236134 .2759154 south | -.0801695 .0262529 -3.05 0.002 -.1316916 -.0286473 urban | .1819463 .0267929 6.79 0.000 .1293645 .2345281 black | -.1431253 .0394925 -3.62 0.000 -.2206304 -.0656202 IQ | .0035591 .0009918 3.59 0.000 .0016127 .0055056 _cons | 5.176439 .1280006 40.44 0.000 4.925234 5.427644 ------------------------------------------------------------------------------ . log close name: log: C:\Users\IRILab001\Desktop\proxylog.log log type: text closed on: 20 Sep 2019, 18:09:41 -----------------------------------------------------------------------------------