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Table 3 pre- to post-Prop 209 changes in graduation rates: without & with controls

From: Affirmative action and university fit: evidence from Proposition 209

  Regression coefficient on:
Regression   POST× POST× POST×
Specification: POST Q1(AI) § Q2(AI) Q3(AI)
Under-represented Minorities  
No Controls 0.044***    
Control for AI 0.030***    
Extended Controls 1 0.031***    
Extended Controls 2 0.030***    
Control for AI 0.005 0.041*** 0.035*** 0.028**
Extended Controls 1 0.008 0.037** 0.031** 0.028**
Extended Controls 2 0.005 0.035** 0.037*** 0.035***
Whites  
No Controls 0.025***    
Control for AI 0.013***    
Extended Controls 1 0.014***    
Extended Controls 2 0.014***    
Control for AI 0.013** -0.006 0.008 0.000
Extended Controls 1 0.012** -0.003 0.009 0.001
Extended Controls 2 0.011* -0.002 0.011 0.002
  1. *** p < 0.01; ** p < 0.05; * p < 0.1.
  2. §Academic index quartiles are based on pre-Prop 209 enrollees and are group specific: breakpoints for the quartiles vary by minority/white status.
  3. Extended controls 1 include parents’ education & income, initial major and AI.
  4. Extended controls 2 include parents’ education & income, initial major, alone and crossed with AI (and AI alone).