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Table 12 Production functions – immigrant scientists versus others

From: Do high-skill immigrants raise productivity? Evidence from Israeli manufacturing firms, 1990-1999

  Levels, all available firms, 1993 and 1997 First differences, all available firms, 1990-1993 and 1993-1997 First differences, balanced sample, 1990-1993 and 1993-1997
  Share immigrant scientists Share immigrants other occ. Share immigrant scientists Share immigrants other occ. Share immigrant scientists Share immigrants other occ.
All firms 0.386 (0.438) 0.013 (0.030) 0.014 (0.198) -0.073** (0.028) 0.221 (0.229) -0.034 (0.040)
Industry dummies 3 digit 3 digit 3 digit
Low tech industries 1.005 (0.664) -0.108 (0.049) -0.977** (0.225) -0.119** (0.032) -0.734** (0.258) -0.154** (0.050)
Medium-low tech industries -0.290 (0.279) -0.009 (0.050) 0.185 (0.131) 0.058 (0.063) 0.254 (0.294) 0.019 (0.069)
Medium-high tech industries 0.092 (0.212) -0.046 (0.059) 0.677 (0.467) 0.131** (0.057) 0.220 (0.628) 0.056 (0.094)
High tech industries 1.250 (0.882) -0.267 (0.174) -0.219 (0.460) 0.045 (0.118) 0.541 (0.402) 0.271* (0.148)
Industry dummies None None None
Average years of schooling ≤ 10.5 -0.352 (0.512) 0.014 (0.059) 0.241 (0.181) -0.125** (0.034) 0.707 (0.819) -0.124 (0.077)
Average years of schooling [10.5, 11.5) -0.046 (0.386) -0.014 (0.044) 0.137 (0.263) 0.043 (0.057) 0.241 (0.364) -0.013 (0.066)
Average years of schooling < 11.5 0.708 (0.600) -0.079 (0.074) -0.215 (0.390) 0.086 (0.065) -0.150 (0.332) 0.056 (0.087)
Industry dummies 2 digits 2 digits 2 digits
  1. *: Statistically significant at the 10% level.
  2. **: Statistically significant at the 5% level.