遠得要命的數學王國- [缺乏季芬財存在於世上的證據] 所謂的 ...

說穿了，季芬財就是收入效應比替代效應要強的劣等財。

這個推論來自於第二張圖，並把第一張圖的下標j改成i，也就是動用Slutsky equation去分析 ... JumptoSectionsofthispageAccessibilityhelpPressalt+/toopenthismenuFacebookEmailorphonePasswordForgottenaccount?SignUpYou’reTemporarilyBlockedYou’reTemporarilyBlockedItlookslikeyouweremisusingthisfeaturebygoingtoofast.You’vebeentemporarilyblockedfromusingit.English(UK)中文(简体)BahasaIndonesia日本語ภาษาไทยTiếngViệt한국어EspañolPortuguês(Brasil)Français(France)DeutschSignUpLogInMessengerFacebookLiteWatchPlacesGamesMarketplaceFacebookPayOculusPortalInstagramBulletinLocalFundraisersServicesVotingInformationCentreGroupsAboutCreateadCreatePageDevelopersCareersPrivacyCookiesAdChoicesTermsHelpContactuploadingandnon-usersSettingsActivitylogMeta©2022