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Table 1 Descriptive statistics for dependent and control variables by periods and region of origin

From: Liberalization of European migration and the immigration of skilled people to Sweden

  Before treatment (1990–1993) After treatment (1994–1997)
  EU-15 Other developed regions EU-15 Other developed regions
  Mean S.D. Mean S.D. Mean S.D. Mean S.D.
Low education 0.18 0.38 0.23 0.42 0.11 0.32 0.11 0.32
Middle education 0.36 0.48 0.44 0.50 0.31 0.46 0.37 0.48
High education 0.46 0.50 0.33 0.47 0.58 0.49 0.51 0.50
Inventor 0.006 0.076 0.002 0.045 0.010 0.101 0.003 0.053
Age 29.16 7.78 29.02 8.58 30.36 7.87 29.92 8.59
Female 0.40 0.49 0.49 0.50 0.39 0.49 0.51 0.50
Married 0.38 0.49 0.29 0.45 0.35 0.48 0.33 0.47
Children 0.24 0.43 0.25 0.43 0.23 0.42 0.23 0.42
Observations 4,845 14,614 6,156 9,651
  1. Source: Statistics Sweden and CIRCLE data on inventors
  2. SD standard deviation