Charles Clotfelter is on CollEc

rank value
closeness 14634 5.09078
betweenness 21209 0.225951

co-authors

  1. Philip J Cook [pco30]
  2. Helen Ladd [pla158]
  3. Jacob Vigdor [pvi23]
  4. Malcolm Getz [pge54]
  5. John Siegfried [psi31]