Kazuhiko Sumiya is on CollEc

rank value
closeness 45950 6.02966
betweenness 17442 0.509625

co-authors

  1. Michihito Ando [pan466]
  2. Rune Vejlin [pve116]
  3. Yuki Hashimoto [pha1499]
Kazuhiko Sumiya on EconPapers         Kazuhiko Sumiya on IDEAS         Kazuhiko Sumiya on RAS
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