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SUMMARY:Simple Dynamics in Large Games - R. Ramanujam (Institute of Mathem
 atical Sciences\, Chennai)
DTSTART:20120611T153000Z
DTEND:20120611T163000Z
UID:TALK38393@talks.cam.ac.uk
CONTACT:Felix Fischer
DESCRIPTION:By large games\, we mean ones in which the number of players i
 s so large that players do not even know how many players are in the game\
 , let alone about how everyone plays. Payoffs are then determined by strat
 egy\ndistributions rather than profiles\, and heuristics like imitation be
 come interesting. We consider a neighbourhood structure on these games in 
 which\nplayers play normal form games within neighbourhoods but switch nei
 ghbourhoods based on observations. We then study the eventual stability of
  configurations in this context for finite memory player types.\n\nIn such
  games it is also interesting to study the 'social cost' of providing opti
 ons to players. We consider an implicit player - the society\, who makes\n
 actions available to players and incurs certain costs in doing so. But the
 n when few players play a strategy it may become infeasible to support it 
 and hence society may remove it altogether\, leading to a new situation. O
 nce again we discuss questions of eventual stability and synthesis of rule
 s for society (when to intervene and how).\n\nThe work reported is joint w
 ith Soumya Paul (Toulouse) and Sunil Simon (Amsterdam).
LOCATION:MR12\, Centre for Mathematical Sciences\, Wilberforce Road\, Camb
 ridge
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