|
(0.003) |
(0.757) |
(0.206) |
(0.000) | |||||
|
Business services |
-0.0408 |
0.0293 | ||||||
|
(0.925) |
(0.943) | |||||||
|
Traditional services |
-0.6194 |
-0.1850 |
-0.1125 | |||||
|
(0.395) |
(0.196) |
(0.379) | ||||||
|
Consumer services |
-0.1502 |
-0.0791 | ||||||
|
(0.460) |
(0.676) | |||||||
|
Social services |
-0.5463 *** |
-0.4776*** | ||||||
|
(0.000) |
(0.000) | |||||||
|
Construction |
-0.5007 *** |
-0.4301*** | ||||||
|
(0.000) |
(0.000) | |||||||
|
Agriculture and fishing |
-1.2804 *** |
-1.2131*** | ||||||
|
(0.000) |
(0.000) | |||||||
|
Extractives |
-0.2947 * |
-0.2241 | ||||||
|
(0.067) |
(0.128) | |||||||
|
Fixed effects by LPS |
0.4954 *** |
0.1192 |
0.3486 *** |
-0.0513 |
-0.2313 ** |
-0.2218 |
-0.4588*** | |
|
(0.000) |
(0.274) |
(0.007)________ |
(0.878) |
(0.017)________ |
(0.118) |
(0.000) | ||
(1) Fixed effects corresponds to regressions 1.4 to 1.6 using business R&D from firm microdata
Notes: (a) Dependent variable = Patents per employee in the 2001-2006 period; (b) All variables are natural logarithms; (c) P-values are in parentheses and asterisks
represent statistical significance at 1% (***), 5% (**) and 10% (*); (d) Within group effect model estimates; (e) Fixed effects provided under the restriction that ∑
αi = 0, so that the dummy coefficients mean deviations from the averaged group effect (intercept); (f) Heckman adjusted coefficients; (g) Robust Huber-White
estimators when slight problems of heteroskedasticiy, collinearity or outliers are detected; (h) In the combined interaction estimation, Other manufacturing LPS
specialized in Metal products has been aggregated to Machinery because it caused problems in the restrictions for obtaining the fixed effects.
20
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