Charles Clotfelter is on CollEc

rank value
closeness 19722 5.01188
betweenness 24855 0.195768

co-authors

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