Ilpo Kauppinen is on CollEc

rank value
closeness 15935 5.23537
betweenness 24711 0.0696572

co-authors

  1. Panu Poutvaara [ppo31]
  2. George Borjas [pbo44]
  3. Jarkko Harju [pha871]
  4. Olli Ropponen [pro476]