资源描述:
《game automata》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、Someideasaboutthecombinationofrepeatedgame,niteautomatatheoryandSTPmethodYiPeng2012/10/22x1IntroduceautomatatodescribethestrategyofrepeatedgameandtheconsiderationofcomplexityTodescribethestrategyofrepeatedgameinsomeFolkTheorem,Rubinsteinintroducedtheconceptofautomatainhisbook"ACourseinGameTheor
2、y".Inthetextbook,dierentautomatawereusedtodescribedierentTriggerstrategywhichresultindierentFolkTheoren.Oneoftheotherprimalideatointroduceautomatatogametheoryisthatautomatacandescribetheprocessofhumandecisionmaking.Andboundedrationalityistheunderlyingconceptbehindthegameautomata,whichmeanstha
3、tthenumberofthestateoftheautomatatoimplementthestrategycanre
ectthecomplexityofthestrategy.Rubinstein(1986,1988)consideredthetradeobetweenthecomplexityofstrategyandthepayoofthestrategy.Heassumedthateverystateoftheautomatabringsaconstantcosttotheplayernomatterhowfrequenttheyareused.Themodelcanb
4、edescribedbelow:twopersonrepeatedgameG=whereSiisanitesetofstrategiesforplayeri.HereRubinsteinonlyconsideredthepurestrategy,sothestrategysetequalstotheactionset.Andui:S1S2!Risthepayofunctionofplayeri.Heusedanitemooremachinetodescribedthestrategy.ThatisMi:istheMoorema
5、chineforplayeri.Qiisthenitesetofstateswithq0astheinitialstate.i:Qi!SiistheoutputfunctionoftheMooremachineandi:QiSj!Qi(j6=i)isthetransitionfunctionoftheMoorefunction.Thismeansthatthenumberofstatescanbebiggerthanthenumberofactions,thatis]Qi]Si.Thisworkhavebeenstudiedin1980'sbyRubbinstein(,198
6、6,1988),Samuelson(1992),Kalai(1990),Neyman(1998,2000),andtheyhaveplentyofresultaboutthestructureofNashEquilibrium,thestabilityoftheevolutionofautomataandsomelimitcharacteristic(Thiskindofworkhasbeensummarizedindierenttextbook).Infactwhattheycareistheconceptofsolution,1howtondthesolutionisnotme
7、ntioned,whichisnotinfavorofSTPmethodButwecanintroducetheconceptofSTPtodescribetheprocessofthegame.Denotingtheactionsetofplayerias4mi,andthestatesetofplayerias4si,wecandescribethestrategyofplay1asx1(t+1)=M1nx1(t)u2(t);u1(t+1)