Table 5

Determinants of patent application rates, overall and commerical

Computer science Electrical engineering
All patents Commercialized patents All patents Commercialized patents
Variable (1) (2) (3) (4)
Coefficients (standard error)
Constant 0.185 -0.113 0.571 0.008
0.298 0.084 0.455 0.162
Age 0.002 0.005* 0.002 0.004
0.007 0.002 0.010 0.004
Master’s degree 0.442* 0.107* 0.201 0.143
0.141 0.039 0.236 0.084
Ph.D. 2.90* 0.226* 2.98* 0.351*
0.305 0.085 0.382 0.136
Former foreign student (F-1) -0.439* -0.118* -0.045 -0.052
0.162 0.046 0.280 0.100
Adjusted R-squared 0.066 0.014 0.083 0.007
N 1248 1248 766 766

* Indicates statistically significant at the 5 percent level.

Source: Author's regression analysis of National Survey of College Graduates (NSCG) data (NSF 2003)

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