. ▁" Local ▁Econom ic ▁R isk ▁Fact ors ▁and ▁the ▁Primary ▁and ▁Second ary ▁Mort g age ▁Mark ets ." ▁Regional ▁Science ▁and ▁Urban ▁Econom ics ▁ 3 0 , ▁no . ▁ 6 ▁( 2 0 0 0 ): ▁ 6 8 3 - 7 0 1 . ▁ ▁Am bro se , ▁Br ent ▁W ., ▁and ▁Thomas ▁G . ▁Th ib ode au . ▁" Have ▁the ▁G SE ▁Aff ord able ▁H ous ing ▁Go als ▁In cre ased ▁the ▁Supp ly ▁of ▁Mort g age ▁Cred it ?" ▁Regional ▁Science ▁and ▁Urban ▁Econom ics ▁ 3 4 , ▁no . ▁ 3 ▁( 2 0 0 4 ): ▁ 2 6 3 - 2 7 3 . ▁ ▁Am bro se , ▁Br ent ▁W ., ▁and ▁Thomas ▁G . ▁Th ib ode au ▁with ▁Kenneth ▁Tem kin . ▁" An ▁Analysis ▁of ▁the ▁Effect s ▁of ▁the ▁G SE ▁Aff ord able ▁Go als ▁on ▁Low - ▁and ▁Mod er ate - In come ▁Famil ies ." ▁P rep ared ▁for ▁the ▁U . S . ▁Department ▁of ▁H ous ing ▁and ▁Urban ▁Development ▁Office ▁of ▁Policy ▁Development ▁and ▁Research , ▁Washington , ▁DC , ▁ 2 0 0 2 . ▁ ▁Am bro se , ▁Br ent ▁W ., ▁and ▁Arthur ▁W arga . ▁" Me as uring ▁Pot ential ▁G SE ▁Fund ing ▁Adv antages ." ▁Journal ▁of ▁Real ▁Est ate ▁Fin ance ▁and ▁Econom ics ▁ 2 5 , ▁no . ▁ 2