- work ▁states . ▁ ▁" Cons umption ▁A men ities ▁and ▁City ▁Population ▁D ens ity " ▁by ▁Jordan ▁R app ap ort ▁of ▁the ▁Federal ▁Reserve ▁Bank ▁of ▁Kansas ▁City ’ s ▁Econom ic ▁Research ▁Department ▁( 2 0 0 6 , ▁re vised ▁ 2 0 0 8 ) ▁expl ores ▁correlation ▁between ▁population ▁density ▁and ▁quality ▁of ▁life ▁using ▁data ▁from ▁" C ities ▁Rank ed ▁and ▁R ated " ▁( First ▁Edition ). ▁ ▁Jim ▁B air d ’ s ▁ 2 0 0 6 ▁Department ▁of ▁Soci ology ▁th esis ▁at ▁Georgia ▁State ▁University ▁entitled ▁" Black ▁Emp loyment ▁O pport un ities : ▁The ▁Ro le ▁of ▁Im migr ant ▁Job ▁Con cent r ations " ▁c ites ▁" C ities ▁Rank ed ▁and ▁R ated " ▁( First ▁Edition ) ▁in ▁considering ▁black ▁occup ational ▁concentr ations ▁and ▁their ▁relation ▁to ▁cost ▁of ▁living . ▁ ▁Qu otes ▁about ▁S per ling ▁Richard ▁Florida , ▁professor ▁at ▁University ▁of ▁Toronto ▁and ▁head ▁of ▁the ▁Rot man ▁School ▁of ▁Management ▁Martin ▁Pro s per ity ▁Institute ▁said , ▁" you ▁need ▁information ▁based ▁on ▁life ▁stage , ▁job ▁and ▁a ▁cluster ▁and ▁bundle ▁of ▁amen ities , ▁such ▁as ▁schools , ▁health ▁care , ▁culture ," ▁adding ▁that ▁S per ling ▁" t ends ▁to ▁be ▁good ▁at ▁assess ing ▁most , ▁if ▁not ▁all , ▁of ▁that ." ▁ ▁Thomas ▁W etz el , ▁president ▁of ▁the ▁Ret irement ▁Living ▁Information ▁Center ▁in ▁Red ding