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Table 4 Regression models for the college/noncollege log wage gap

From: When supply meets demand: wage inequality in Portugal

  (1) (2) (3) (4) (5)
College/noncollege relative supply -0.678 -0.683 -0.713 -0.481 -0.378
  0.129 0.144 0.127 0.091 0.098
Log real minimum wage    -0.610   -0.211
    0.400   0.246
Natural unemployment rate     -0.038 -0.043
     0.006 0.007
Time 0.052 0.052 0.059 0.043 0.045
  0.008 0.009 0.010 0.006 0.006
Time*1995   0.001    -0.004
   0.003    0.001
Constant -1.109 -1.116 1.044 -0.409 0.632
  0.349 0.381 1.450 0.258 0.869
No. of observations 24 24 24 24 24
R 2 0.777 0.777 0.800 0.911 0.937
  1. Notes: Standard errors in italic. Each column presents an OLS regression of the fixed-weighted college wage premium on the indicated variables. The minimum wage is deflated by the consumer price index. The source for labor supply and wages is the Quadros de Pessoal, 1984-2009.