Roger Koppl is on CollEc

rank value
closeness 24873 5.46464
betweenness 9569 1.05705

co-authors

  1. william butos [pbu82]
  2. Sorin Tuluca [ptu148]
  3. Peter Boettke [pbo185]
  4. Alain Marciano [pma1386]
  5. William Luther [plu313]