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Table 7 Oaxaca decomposition of the score gap between 2000 and 2009 for second-generation immigrants

From: Better migrants, better PISA results: Findings from a natural experiment

(A) Regression OLS 2009 Regression OLS 2000
  Coefficient Std. errorg Coefficient Std. error
Female 21.56 1.57a 19.20 6.47a
Age −15.12 1.22a −12.56 5.05b
SEI 0.51 0.06a 0.96 0.26a
Parents ‘educationc: tertiary 2.14 2.20 4.89 14.66
Parents’ education: compulsory −0.14 2.62 −3.75 8.87
Family structured: single −1.74 2.54 −12.73 10.11
Family Structure: mixed −50.72 14.07a −6.22 14.20
Siblings (yes) −14.10 2.31a −9.63 12.91
Less than 100 books at home −39.08 2.05a −19.36 7.67b
Foreign language at home 1.35 1.81 −22.44 7.55a
Latin Switzerland −16.35 1.98a −27.87 9.37a
Country of origine: Germany, France, Austria, Belgium 34.60 4.43a 0.20 14.13
Country of origin: Italy, Spain, Portugal −9.07 2.24a −12.85 9.07
Country of origin: Albania, Kosovo, Ex Yugoslavia −18.17 2.26a −8.23 11.40
Country of origin: Turkey −14.90 3.27a −19.04 11.88
Public −52.25 10.65a −33.84 19.58+
School size 0.05 0.002a 0.02 0.01a
Proportion of foreign language speakers 20–40% −22.53 1.78a −26.94 8.11a
Proportion of foreign language speakers >40% −32.62 3.63a −79.71 9.91a
Community size: village −4.77 3.87 −80.95 18.36a
Community size: small town −8.56 2.40a −17.77 9.24+
Community sizef: town −3.80 2.44 −3.59 9.68
Constant 796.46 23.32a 726.92 85.27a
R2 0.24   0.30  
N 2031   604  
(B) Decomposition     
Total gap 13 100%   
Explained 1 11%   
Unexplained 12 89%   
  1. asignificant at 1% level
  2. bsignificant at 5% level, +significant at 10% level
  3. cReference: Both parents have secondary level education
  4. dReference: Nuclear
  5. eReference: Other
  6. fReference: City
  7. gAll standard errors account for errors’ correlations at the school level