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叶栩青 《东华大学学报(英文版)》2004,21(4)
IntroductionAllovertheworld ,thetrendhasturnedagainstpay as you go (PAYG )socialsecuritysystemstoofferapensionsystembasedonfunding .Whenlifeexpectancyissteadilyincreasing ,mosttraditionalPAYGsystemshavebeenperceivedtobeinastateofcrisis.ShouldthePAYGsystembereplacedwithafundedsystem ,andifso ,why ?Manyauthorshaveexpressedmanydifferentopinionsonthisproblem ,andthematterhasbeenanalyzedwithinhighlysophisticatedtheoreticalandempiricalmodels.Someauthors,likeFeldstein(1995 ) ,Kotlikoff,Smetter… 相似文献
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