Charles Clotfelter is on CollEc

rank value
closeness 19791 5.01188
betweenness 24858 0.195722

co-authors

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