we asked ecomic analystnariman beaves for his thoughts on inflationin the 199 and beyond. way to understan whatappened inhe late 1990s, duringheo-called "n economy boom," iso look at thaggregate supply and aggregate dema curs. the oductivity boom wed the aggregate supply curve toove to the right faster than the aggregate demand cue. this allowed bothhe umployment rate the inflion rate falsimultanusly to 3year lows. the experience of the la 1990s isctly the opposite of wt haenedn the 1970s and eay 19s when the aggregateupy cue mod the left because of weakroductivity grow and supphortag this resulted intagflation with botthe unemployme re anthe inflion te rising simultasly. any sertn abouinflation being ad st be back u assumptio thatroctivity growthwill remain strong unfortunately, as the exrienceofhe 1970s showed us there is no guarantee thatroductivity growth will contie to be robust. thusthe fehas to remainvigint against t possibility thatlaon wilbe resurrecteonce again. e classic busissycle has comeo annd recession has nobeen banne and inflation could always rear its ugl