Roger Koppl is on CollEc

rank value
closeness 23280 5.51953
betweenness 8225 1.21661

co-authors

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