- . xtreg patent outputtariff er labor fdi transfer imitation ip lnpatent outputtariff2 i.year
- Random-effects GLS regression Number of obs = 374
- Group variable: industry Number of groups = 34
- R-sq: Obs per group:
- within = 0.3004 min = 11
- between = 0.5061 avg = 11.0
- overall = 0.4000 max = 11
- Wald chi2(19) = 174.17
- corr(u_i, X) = 0 (assumed) Prob > chi2 = 0.0000
- -------------------------------------------------------------------------------
- patent | Coef. Std. Err. z P>|z| [95% Conf. Interval]
- --------------+----------------------------------------------------------------
- outputtariff | -261.009 147.3153 -1.77 0.076 -549.7417 27.7237
- er | 382.0613 91.31679 4.18 0.000 203.0837 561.0389
- labor | -509.4569 257.126 -1.98 0.048 -1013.414 -5.499276
- fdi | 4480.027 3354.601 1.34 0.182 -2094.87 11054.92
- transfer | 102.9919 89.68043 1.15 0.251 -72.77855 278.7623
- imitation | -.4281233 .676603 -0.63 0.527 -1.754241 .8979942
- ip | -31.43044 36.19152 -0.87 0.385 -102.3645 39.50363
- lnpatent | 1529.331 353.7359 4.32 0.000 836.0212 2222.641
- outputtariff2 | 4.149126 3.301783 1.26 0.209 -2.322251 10.6205
- |
- year |
- 2002 | -212.4321 1101.273 -0.19 0.847 -2370.888 1946.024
- 2003 | -1499.179 1188.009 -1.26 0.207 -3827.634 829.2759
- 2004 | -2271.621 1274.247 -1.78 0.075 -4769.1 225.8587
- 2005 | -2227.321 1288.95 -1.73 0.084 -4753.616 298.9738
- 2006 | -2380.067 1312.639 -1.81 0.070 -4952.792 192.6572
- 2007 | -2436.755 1374.694 -1.77 0.076 -5131.106 257.5962
- 2008 | -2405.082 1413.227 -1.70 0.089 -5174.956 364.7918
- 2009 | -2884.365 1658.215 -1.74 0.082 -6134.407 365.6767
- 2010 | -2825.598 1737.279 -1.63 0.104 -6230.603 579.4069
- 2011 | -98.74881 1964.209 -0.05 0.960 -3948.527 3751.029
- |
- _cons | -4557.721 1993.707 -2.29 0.022 -8465.315 -650.1269
- --------------+----------------------------------------------------------------
- sigma_u | 2785.3168
- sigma_e | 4289.2809
- rho | .2966055 (fraction of variance due to u_i)
- -------------------------------------------------------------------------------
- . tab year , gen(y)
- year | Freq. Percent Cum.
- ------------+-----------------------------------
- 2001 | 34 9.09 9.09
- 2002 | 34 9.09 18.18
- 2003 | 34 9.09 27.27
- 2004 | 34 9.09 36.36
- 2005 | 34 9.09 45.45
- 2006 | 34 9.09 54.55
- 2007 | 34 9.09 63.64
- 2008 | 34 9.09 72.73
- 2009 | 34 9.09 81.82
- 2010 | 34 9.09 90.91
- 2011 | 34 9.09 100.00
- ------------+-----------------------------------
- Total | 374 100.00
- . xtreg patent outputtariff er labor fdi transfer imitation ip lnpatent outputtariff2 y2-y11
- Random-effects GLS regression Number of obs = 374
- Group variable: industry Number of groups = 34
- R-sq: Obs per group:
- within = 0.3004 min = 11
- between = 0.5061 avg = 11.0
- overall = 0.4000 max = 11
- Wald chi2(19) = 174.17
- corr(u_i, X) = 0 (assumed) Prob > chi2 = 0.0000
- -------------------------------------------------------------------------------
- patent | Coef. Std. Err. z P>|z| [95% Conf. Interval]
- --------------+----------------------------------------------------------------
- outputtariff | -261.009 147.3153 -1.77 0.076 -549.7417 27.7237
- er | 382.0613 91.31679 4.18 0.000 203.0837 561.0389
- labor | -509.4569 257.126 -1.98 0.048 -1013.414 -5.499276
- fdi | 4480.027 3354.601 1.34 0.182 -2094.87 11054.92
- transfer | 102.9919 89.68043 1.15 0.251 -72.77855 278.7623
- imitation | -.4281233 .676603 -0.63 0.527 -1.754241 .8979942
- ip | -31.43044 36.19152 -0.87 0.385 -102.3645 39.50363
- lnpatent | 1529.331 353.7359 4.32 0.000 836.0212 2222.641
- outputtariff2 | 4.149126 3.301783 1.26 0.209 -2.322251 10.6205
- y2 | -212.4321 1101.273 -0.19 0.847 -2370.888 1946.024
- y3 | -1499.179 1188.009 -1.26 0.207 -3827.634 829.2759
- y4 | -2271.621 1274.247 -1.78 0.075 -4769.1 225.8587
- y5 | -2227.321 1288.95 -1.73 0.084 -4753.616 298.9738
- y6 | -2380.067 1312.639 -1.81 0.070 -4952.792 192.6572
- y7 | -2436.755 1374.694 -1.77 0.076 -5131.106 257.5962
- y8 | -2405.082 1413.227 -1.70 0.089 -5174.956 364.7918
- y9 | -2884.365 1658.215 -1.74 0.082 -6134.407 365.6767
- y10 | -2825.598 1737.279 -1.63 0.104 -6230.603 579.4069
- y11 | -98.74881 1964.209 -0.05 0.960 -3948.527 3751.029
- _cons | -4557.721 1993.707 -2.29 0.022 -8465.315 -650.1269
- --------------+----------------------------------------------------------------
- sigma_u | 2785.3168
- sigma_e | 4289.2809
- rho | .2966055 (fraction of variance due to u_i)
- -------------------------------------------------------------------------------