Themostremarkablethingthathappenedtotheworldeconomyafter9/11was...nothing.Whatwouldhaveoncemeantacripplingshocktothesystemwasabsorbedastonishinglyquickly,partlyduetotheeffortsofthethenChairmanoftheFederalReserveBoard,AlanGreenspan.Thepost9/11globaleconomyisanewandturbulentsystem—vastlymoreflexible,resilient,open,self-directing,andfast-changingthanitwaseventwentyyearsago.TheAgeofTurbulenceisanincomparablereckoningwiththenatureofthisnewworld—howwegothere,whatwe'relivingthrough,andwhatliesoverthehorizon,forgoodorill,channelledthroughGreenspan'sownexperiencesworkinginthecommandroomoftheglobaleconomyforlongerandwithgreatereffectthananyothersinglelivingfigure.--ThistextreferstoanalternatePaperbackedition.