b. 1948
Jörgen Weibull is a Swedish economist and game theorist best known for his foundational contributions to evolutionary game theory. His 1995 MIT Press monograph systematized the field and remains a primary reference for the mathematical study of strategic behavior in large populations. He has held positions at Stockholm School of Economics and the Research Institute of Industrial Economics (IFN).
Authored 'Evolutionary Game Theory' (1995), the standard graduate text systematizing replicator dynamics and equilibrium selection
Demonstrated conditions under which replicator dynamics fail to converge to evolutionarily stable states
Advanced the mathematical analysis of Nash equilibrium refinements using evolutionary stability concepts
Contributed to political economy and mechanism design applying game-theoretic tools
Bridged mathematical biology and economics in the formal study of population dynamics