theorypedia
← Back to feed

What Nobel Laureate Yisrael Aumann Taught Me Beyond Game Theory | Yosef Zohar

blogs.timesofisrael.com

A student's tribute to Nobel laureate Robert Aumann reveals how game theory's coldest logic was wielded by a man whose warmth and faith defied every rational-actor assumption.

Game TheoryRational Actor ModelRepeated GamesBounded Rationality

Theory Briefing

  • Aumann won the Nobel Prize in Economics for work on repeated games, showing how cooperation emerges among purely self-interested actors.
  • His student recalls that Aumann's personal warmth and deep religious conviction contradicted the detached rational-actor model he helped define.
  • The reflection raises a classic tension in game theory: whether rationality alone can explain human behavior, or whether values and identity do the real work.