Charles Clotfelter is on CollEc

rank value
closeness 14099 5.09082
betweenness 20835 0.234322

co-authors

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