{"id":4925,"date":"2023-10-26T09:47:42","date_gmt":"2023-10-26T06:47:42","guid":{"rendered":"https:\/\/datakapital.com\/blog\/?p=4925"},"modified":"2025-08-18T17:08:35","modified_gmt":"2025-08-18T14:08:35","slug":"tasarruf-paradoksu","status":"publish","type":"post","link":"https:\/\/datakapital.com\/blog\/tasarruf-paradoksu\/","title":{"rendered":"Tasarruf Paradoksu"},"content":{"rendered":"

Tasarruf paradoksu<\/strong> nedir? Fiyat d\u00fczeyinin sabit oldu\u011fu ( firmalar\u0131n veri fiyat d\u00fczeyi \u00fczerinden her d\u00fczeydeki \u00e7\u0131kt\u0131y\u0131 \u00fcretebilecekleri ) varsay\u0131m\u0131 \u00fczerine in\u015fa edilen basit Keynesyen modelde<\/a>, firmalar\u0131n fiilen ne kadar mal \u00fcretecekleri ve dolay\u0131s\u0131yla da reel GDP\u2019nin<\/a> ne olaca\u011f\u0131, planlanan harcama d\u00fczeyine ba\u011fl\u0131d\u0131r. Bir ekonomide ki\u015filer her alternatif GDP d\u00fczeyinde daha fazla tasarruf yapmak isterlerse, k\u0131saca ki\u015filerin tutumlulu\u011fu artarsa, otonom t\u00fcketim ve buna ba\u011fl\u0131 olarak toplam planlanan harcama azal\u0131r. Bu ise reel GDP\u2019nin, otonom t\u00fcketimdeki azalma ile \u00e7arpan katsay\u0131s\u0131n\u0131n \u00e7arp\u0131m\u0131 kadar azalmas\u0131na yol a\u00e7ar. Ki\u015filerin tutumlulu\u011fu art\u0131nca reel GDP\u2019nin d\u00fc\u015fmesi hususuna \u2018tasarruf – tutumluluk paradoksu\u2019<\/em><\/strong> denir. Bu durum a\u015fa\u011f\u0131daki grafikte g\u00f6sterilmi\u015ftir;<\/p>\n

\"Tasarruf<\/p>\n

Grafikte, Ip<\/em> ve S1 + TN do\u011frular\u0131 en ba\u015fta A noktas\u0131nda kesi\u015fmektedir. <\/em>Dolay\u0131s\u0131yla da mal piyasas\u0131nda denge ba\u015flang\u0131\u00e7ta Y1 <\/em>\u2018de sa\u011flanm\u0131\u015ft\u0131r. Ancak ki\u015filerin tutumlulu\u011funun artmas\u0131 sonucu S1 + TN <\/em>do\u011frusu daha sonra i\u00e7eri do\u011fru kayarak S2 + TN <\/em>konumuna gelmi\u015f ve b\u00f6ylece denge reel GDP d\u00fczeyi Y1<\/em> ‘den Y2’ye <\/em>d\u00fc\u015fm\u00fc\u015ft\u00fcr.<\/p>\n

Grafikte ki\u015filerin her alternatif reel GDP d\u00fczeyinde daha fazla tasarruf yapmalar\u0131 toplam tasarrufu \u00a0\u00a0\u00a0\u00a0(S + TN – G )artt\u0131ran, reel GDP d\u00fczeyinin d\u00fc\u015fmesi ise toplam tasarrufu azaltan bir unsurdur. Dolay\u0131s\u0131yla reel GDP Y1<\/em> ‘den Y2’ye <\/em>d\u00fc\u015f\u00fcnce, tasarrufun ne y\u00f6nde de\u011fi\u015fece\u011fi ilk bak\u0131\u015fta belirsiz g\u00f6r\u00fcnmektedir. Ancak b\u00f6yle bir de\u011ferlendirme asl\u0131nda do\u011fru de\u011fildir. \u00c7\u00fcnk\u00fc grafikte yat\u0131r\u0131m otonomdur ( her alternatif reel GDP d\u00fczeyinde planlanan yat\u0131r\u0131m ayn\u0131d\u0131r ). Di\u011fer taraftan \u00a0yeni denge reel GDP d\u00fczeyinde planlanan yat\u0131r\u0131m ile toplam tasarruf birbirine e\u015fittir: Ip = S+TN -G. Bu iki husus birlikte d\u00fc\u015f\u00fcn\u00fcl\u00fcrse, grafikte reel GDP d\u00fc\u015ferken tasarruf de\u011fi\u015fmi\u015ftir: Reel GDP ki\u015filerin her GDP d\u00fczeyinde daha fazla tasarruf yapmalar\u0131n\u0131n toplam tasarruf \u00fczerindeki olumlu etkisini tam telafi edecek kadar azalm\u0131\u015ft\u0131r.<\/p>\n

Tasarruf paradoksunu rakamlarla ifade edecek olursak \u00f6rne\u011fin temsili bir ekonomide c = 0.80, t = 0.10, \u00a0= 20 TL, \u00a0= 10 TL, \u00a0= 5 TL, = – \u00a0= 10 TL, \u00a0= 10 TL ve dolay\u0131s\u0131yla da otonom harcama \u00a0= 44 TL iken, GDP = 157 TL, ki\u015fisel tasarruf ve h\u00fck\u00fcmet tasarrufu ise s\u0131ras\u0131yla 9.2 TL ve 0.7 TL, dolay\u0131s\u0131yla da toplam tasarruf 9.9 TL \u2018dir.<\/p>\n

\"Tasarruf<\/p>\n

Buna kar\u015f\u0131l\u0131k ki\u015filerin daha fazla tasarruf yapmay\u0131 arzulamalar\u0131 sonucu otonom t\u00fcketim C(o) = 20TL’den C(o) = 10TL’ye d\u00fc\u015ft\u00fc\u011f\u00fcnde, reel GDP, ki\u015fisel tasarruf ve h\u00fck\u00fcmet tasarrufu s\u0131ras\u0131yla 121 TL, 12.8TL ve -2.9 TL ve dolay\u0131s\u0131yla da toplam tasarruf yine 9.9 TL \u2018dir:<\/p>\n

\"Tasarruf<\/p>\n

Tasarruf paradoksu<\/a> yat\u0131r\u0131m\u0131n uyar\u0131lm\u0131\u015f oldu\u011fu ( yat\u0131r\u0131m\u0131n reel GDP\u2019nin pozitif bir fonksiyonu oldu\u011fu ) kabul edilmek suretiyle de a\u00e7\u0131klanabilir. Yat\u0131r\u0131m\u0131n reel GDP \u2018ye ba\u011fl\u0131 olarak de\u011fi\u015fti\u011fi uyar\u0131lm\u0131\u015f yat\u0131r\u0131m durumunda ki\u015filerin tutumlulu\u011fu artarsa, her \u015feyden \u00f6nce otonom t\u00fcketim ve buna ba\u011fl\u0131 olarak planlanan harcama azal\u0131r. Bu ise yukar\u0131da oldu\u011fu gibi reel GDP \u2018nin azalmas\u0131na yol a\u00e7ar. GDP \u2018de meydana gelen bu azalma ise, yat\u0131r\u0131m uyar\u0131lm\u0131\u015f oldu\u011fundan, yat\u0131r\u0131m\u0131n azalmas\u0131na yol a\u00e7ar. B\u00f6ylece uyar\u0131lm\u0131\u015f yat\u0131r\u0131m durumunda bir yandan reel GDP\u2019deki azalma daha b\u00fcy\u00fck olur., \u00f6te yandan mal piyasas\u0131nda denge ko\u015fulu S + TN = + G veya = S + TN \u2013 G oldu\u011fundan, yat\u0131r\u0131m azal\u0131nca tasarruf da azal\u0131r.<\/p>\n

Tasarruf paradoksu, iktisat literat\u00fcr\u00fcnde bireylerin rasyonel gibi g\u00f6r\u00fcnen bir davran\u0131\u015f\u0131n\u0131n toplumsal \u00f6l\u00e7ekte irrasyonel sonu\u00e7lar do\u011furabilece\u011fini g\u00f6steren en \u00f6nemli \u00f6rneklerden biridir. Tek tek hanehalklar\u0131 a\u00e7\u0131s\u0131ndan bak\u0131ld\u0131\u011f\u0131nda, gelirden daha fazla tasarruf yapmak, gelecekteki belirsizliklere kar\u015f\u0131 bir g\u00fcvence yarat\u0131r. Ancak t\u00fcm bireyler ayn\u0131 anda tasarruf e\u011filimini art\u0131rd\u0131\u011f\u0131nda toplam talep d\u00fc\u015fer ve bu da ekonomide daralmaya yol a\u00e7ar. B\u00f6ylece bireylerin niyetiyle sonu\u00e7 aras\u0131nda bir \u00e7eli\u015fki ortaya \u00e7\u0131kar. \u0130\u015fte bu nedenle bu olguya \u201cparadoks\u201d denir.<\/p>\n

Bu durum Keynesyen \u00e7er\u00e7evenin temel mant\u0131\u011f\u0131na da uygun olarak a\u00e7\u0131klan\u0131r. Keynes, toplam talep yetersizli\u011fi sorununu kapitalist ekonomilerin temel k\u0131r\u0131lganl\u0131\u011f\u0131 olarak g\u00f6rm\u00fc\u015ft\u00fcr. Talep yetersizli\u011fi oldu\u011funda, firmalar daha az \u00fcretim yapar, daha az i\u015f\u00e7i \u00e7al\u0131\u015ft\u0131r\u0131r ve toplam gelir d\u00fc\u015fer. Gelir d\u00fc\u015ft\u00fck\u00e7e hanehalklar\u0131n\u0131n tasarruf etme kapasiteleri de azal\u0131r. B\u00f6ylece ba\u015flang\u0131\u00e7ta tasarruf e\u011filimindeki art\u0131\u015f, toplam tasarruf miktar\u0131n\u0131 art\u0131rmak yerine ayn\u0131 seviyede b\u0131rak\u0131r ya da daha da azalt\u0131r. Bu, \u00f6zellikle k\u0131sa d\u00f6nemli analizlerde g\u00fc\u00e7l\u00fc \u015fekilde g\u00f6zlemlenir.<\/p>\n

Burada \u00e7arpan mekanizmas\u0131 belirleyici rol oynar. Otonom t\u00fcketimdeki her azal\u0131\u015f, marjinal t\u00fcketim e\u011filimi (c) \u00fczerinden \u00e7o\u011falarak toplam \u00e7\u0131kt\u0131 \u00fczerinde daha b\u00fcy\u00fck bir etki yarat\u0131r. \u00d6rne\u011fin c = 0.80 oldu\u011funda, otonom t\u00fcketimde 10 birimlik bir d\u00fc\u015f\u00fc\u015f, toplam gelirde 50 birimlik bir azalmaya yol a\u00e7ar. Bu t\u00fcr bir mekanizma, bireysel niyetin makro sonu\u00e7lar\u0131 nas\u0131l b\u00fcy\u00fctt\u00fc\u011f\u00fcn\u00fc ve \u00e7o\u011fu zaman tersine \u00e7evirdi\u011fini g\u00f6sterir.<\/p>\n

Tasarruf paradoksu ayn\u0131 zamanda maliye politikas\u0131 tart\u0131\u015fmalar\u0131nda \u00f6nemli bir referans noktas\u0131d\u0131r. Devletin b\u00fct\u00e7e a\u00e7\u0131klar\u0131, klasik yakla\u015f\u0131mlarda olumsuz bir durum olarak g\u00f6r\u00fcl\u00fcrken, Keynesyen bak\u0131\u015f a\u00e7\u0131s\u0131 farkl\u0131d\u0131r. E\u011fer hanehalklar\u0131 fazla tasarruf e\u011filimi g\u00f6steriyor ve \u00f6zel sekt\u00f6r talebi zay\u0131fl\u0131yorsa, devletin harcamalar\u0131n\u0131 art\u0131rarak toplam talebi desteklemesi rasyonel bir politika haline gelir. Bu \u00e7er\u00e7evede kamu a\u00e7\u0131klar\u0131, \u00f6zel tasarruf fazlas\u0131n\u0131 dengeleyen bir unsur i\u015flevi g\u00f6r\u00fcr.<\/p>\n

\u00d6te yandan, uzun d\u00f6nemli perspektiften bak\u0131ld\u0131\u011f\u0131nda tasarrufun ekonomik b\u00fcy\u00fcme i\u00e7in gerekli oldu\u011fu unutulmamal\u0131d\u0131r. Yat\u0131r\u0131m harcamalar\u0131 tasarruflarla finanse edilir ve sermaye birikimi uzun vadeli b\u00fcy\u00fcmenin temel unsurudur. Ancak tasarruf paradoksu k\u0131sa vadede g\u00f6sterir ki, tasarrufun art\u0131\u015f\u0131 otomatik olarak yat\u0131r\u0131ma d\u00f6n\u00fc\u015fmez. Yat\u0131r\u0131m i\u015ftah\u0131, faiz oranlar\u0131, beklentiler ve ekonomik g\u00fcven gibi fakt\u00f6rlere ba\u011fl\u0131d\u0131r. E\u011fer yat\u0131r\u0131mc\u0131lar gelece\u011fe dair k\u00f6t\u00fcmserse, d\u00fc\u015f\u00fck faiz ortam\u0131nda bile yat\u0131r\u0131m yapmayabilirler. B\u00f6yle bir durumda tasarruf fazlas\u0131, yat\u0131r\u0131mlar\u0131n artmas\u0131n\u0131 sa\u011flamaz, sadece toplam gelir seviyesini d\u00fc\u015f\u00fcr\u00fcr.<\/p>\n

Bu nedenle modern literat\u00fcrde tasarruf paradoksu, “likidite tuza\u011f\u0131” ve “talep yetersizli\u011fi” kavramlar\u0131yla birlikte ele al\u0131n\u0131r. \u00d6zellikle k\u00fcresel kriz d\u00f6nemlerinde bu olgu daha g\u00f6r\u00fcn\u00fcr hale gelir. 2008 k\u00fcresel finans krizi sonras\u0131nda bir\u00e7ok \u00fclkede hanehalklar\u0131 bor\u00e7lar\u0131n\u0131 azaltmaya \u00e7al\u0131\u015fm\u0131\u015f, daha fazla tasarruf e\u011filimine girmi\u015ftir. Ancak bu e\u011filim toplam talebi daraltarak ekonomilerde resesyonu derinle\u015ftirmi\u015ftir. Benzer \u015fekilde, pandemi d\u00f6neminde de belirsizlik nedeniyle hanehalklar\u0131n\u0131n tasarruf e\u011filimi artm\u0131\u015f, fakat bu e\u011filim ekonomilerin yava\u015f toparlanmas\u0131na neden olmu\u015ftur.<\/p>\n

Teorik a\u00e7\u0131dan tasarruf paradoksu, mikro iktisat ile makro iktisat aras\u0131ndaki farkl\u0131 bak\u0131\u015f a\u00e7\u0131lar\u0131n\u0131n da somut bir \u00f6rne\u011fidir. Mikro d\u00fczeyde rasyonel olan davran\u0131\u015f, makro d\u00fczeyde irrasyonel sonu\u00e7 do\u011furur. Bu durum, bireylerin kararlar\u0131n\u0131n toplamda nas\u0131l beklenmedik sonu\u00e7lar yaratt\u0131\u011f\u0131n\u0131 g\u00f6steren “bireysel rasyonalite – toplumsal sonu\u00e7” \u00e7eli\u015fkilerinden biridir. Benzer \u00e7eli\u015fkiler ba\u015fka alanlarda da g\u00f6r\u00fcl\u00fcr: \u00f6rne\u011fin i\u015fg\u00fcc\u00fc piyasas\u0131nda herkes ayn\u0131 anda daha fazla \u00e7al\u0131\u015fmak isterse \u00fccretler d\u00fc\u015febilir ya da d\u0131\u015f ticarette her \u00fclke ihracat\u0131 art\u0131rmaya \u00e7al\u0131\u015ft\u0131\u011f\u0131nda toplamda herkes i\u00e7in k\u0131s\u0131tlay\u0131c\u0131 sonu\u00e7lar do\u011fabilir.<\/p>\n

Tasarruf paradoksu ayn\u0131 zamanda davran\u0131\u015fsal iktisat a\u00e7\u0131s\u0131ndan da de\u011ferlendirilebilir. \u0130nsanlar belirsizlik d\u00f6nemlerinde gelece\u011fe dair kayg\u0131lar\u0131n\u0131 tasarruf art\u0131rarak gidermeye \u00e7al\u0131\u015f\u0131rlar. Ancak toplumsal d\u00fczeyde bu davran\u0131\u015f, tam da kayg\u0131 duyulan ekonomik k\u00f6t\u00fcle\u015fmenin ger\u00e7ekle\u015fmesine yol a\u00e7ar. Bu noktada beklentiler, ekonomik istikrar\u0131n kilit unsuru haline gelir. G\u00fcven ortam\u0131 varsa, hanehalklar\u0131n\u0131n tasarruf e\u011filimi yat\u0131r\u0131mlara d\u00f6n\u00fc\u015febilir. G\u00fcven yoksa, tasarruflar at\u0131l kal\u0131r ve ekonomi k\u00fc\u00e7\u00fcl\u00fcr.<\/p>\n

Sonu\u00e7 olarak tasarruf paradoksu, iktisat politikas\u0131n\u0131n neden gerekli oldu\u011funu g\u00f6steren temel bir arg\u00fcmand\u0131r. E\u011fer bireylerin kararlar\u0131 tek ba\u015f\u0131na toplumsal dengeyi sa\u011flayabilseydi, devlet m\u00fcdahalesine ihtiya\u00e7 olmazd\u0131. Fakat paradoks bize \u015funu \u00f6\u011fretir: devletin maliye ve para politikalar\u0131 yoluyla toplam talebi dengelemesi kritik \u00f6nemdedir. K\u0131sa vadede istikrar\u0131 sa\u011flamak i\u00e7in devlet harcamalar\u0131n\u0131n art\u0131r\u0131lmas\u0131 veya vergilerin d\u00fc\u015f\u00fcr\u00fclmesi gerekebilir. Uzun vadede ise tasarruflar\u0131n verimli yat\u0131r\u0131mlara y\u00f6nlendirilmesi, finansal sistemin sa\u011fl\u0131kl\u0131 i\u015fleyi\u015fi ve yat\u0131r\u0131m ortam\u0131n\u0131n g\u00fcvenilirli\u011fi temel ko\u015fullard\u0131r.<\/p>\n

Dolay\u0131s\u0131yla tasarruf paradoksu yaln\u0131zca teorik bir kavram de\u011fil, g\u00fcn\u00fcm\u00fcz ekonomik sorunlar\u0131n\u0131 anlamak i\u00e7in de yol g\u00f6sterici bir \u00e7er\u00e7evedir. K\u00fcreselle\u015fmi\u015f d\u00fcnyada sermaye hareketlerinin serbestli\u011fi, d\u00fc\u015f\u00fck faiz politikalar\u0131 ve kriz d\u00f6nemlerinde y\u00fckselen belirsizlikler bu paradoksun daha s\u0131k ve g\u00f6r\u00fcn\u00fcr hale gelmesine yol a\u00e7maktad\u0131r. Politika yap\u0131c\u0131lar a\u00e7\u0131s\u0131ndan en \u00f6nemli ders ise \u015fudur: bireylerin tasarruf kararlar\u0131n\u0131 tek ba\u015f\u0131na yeterli g\u00f6rmek yerine, bu kararlar\u0131n makro \u00f6l\u00e7ekte do\u011furaca\u011f\u0131 sonu\u00e7lar\u0131 dikkate almak gerekir. Aksi halde, tasarruf niyeti artarken, toplum olarak herkes daha fakir hale gelebilir.<\/p>\n","protected":false},"excerpt":{"rendered":"

Tasarruf paradoksu nedir? Fiyat d\u00fczeyinin sabit oldu\u011fu ( firmalar\u0131n veri fiyat d\u00fczeyi \u00fczerinden her d\u00fczeydeki \u00e7\u0131kt\u0131y\u0131 \u00fcretebilecekleri ) varsay\u0131m\u0131 \u00fczerine in\u015fa edilen basit Keynesyen modelde, firmalar\u0131n fiilen ne kadar mal \u00fcretecekleri ve dolay\u0131s\u0131yla da reel GDP\u2019nin ne olaca\u011f\u0131, planlanan harcama d\u00fczeyine ba\u011fl\u0131d\u0131r. Bir ekonomide ki\u015filer her alternatif GDP d\u00fczeyinde daha fazla tasarruf yapmak isterlerse, k\u0131saca<\/p>\n","protected":false},"author":12,"featured_media":4926,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,47],"tags":[334,281],"class_list":{"0":"post-4925","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-jeoekonomik-makro-veriler","8":"category-makro-ekonomik-analizler","9":"tag-keynesyen-iktisat","10":"tag-tasarruf"},"better_featured_image":{"id":4926,"alt_text":"Tasarruf Paradoksu Nedir","caption":"","description":"","media_type":"image","media_details":{"width":416,"height":329,"file":"2023\/10\/Tasarruf-Paradoksu-Grafigi.jpg","filesize":12945,"sizes":{"medium":{"file":"Tasarruf-Paradoksu-Grafigi-300x237.jpg","width":300,"height":237,"mime-type":"image\/jpeg","filesize":4655,"source_url":"https:\/\/datakapital.com\/blog\/wp-content\/uploads\/2023\/10\/Tasarruf-Paradoksu-Grafigi-300x237.jpg"},"thumbnail":{"file":"Tasarruf-Paradoksu-Grafigi-150x150.jpg","width":150,"height":150,"mime-type":"image\/jpeg","filesize":2320,"source_url":"https:\/\/datakapital.com\/blog\/wp-content\/uploads\/2023\/10\/Tasarruf-Paradoksu-Grafigi-150x150.jpg"},"bunyad-small":{"file":"Tasarruf-Paradoksu-Grafigi-150x119.jpg","width":150,"height":119,"mime-type":"image\/jpeg","filesize":1767,"source_url":"https:\/\/datakapital.com\/blog\/wp-content\/uploads\/2023\/10\/Tasarruf-Paradoksu-Grafigi-150x119.jpg"}},"image_meta":{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0","keywords":[]}},"post":4925,"source_url":"https:\/\/datakapital.com\/blog\/wp-content\/uploads\/2023\/10\/Tasarruf-Paradoksu-Grafigi.jpg"},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/datakapital.com\/blog\/wp-json\/wp\/v2\/posts\/4925","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/datakapital.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/datakapital.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/datakapital.com\/blog\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/datakapital.com\/blog\/wp-json\/wp\/v2\/comments?post=4925"}],"version-history":[{"count":3,"href":"https:\/\/datakapital.com\/blog\/wp-json\/wp\/v2\/posts\/4925\/revisions"}],"predecessor-version":[{"id":5557,"href":"https:\/\/datakapital.com\/blog\/wp-json\/wp\/v2\/posts\/4925\/revisions\/5557"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/datakapital.com\/blog\/wp-json\/wp\/v2\/media\/4926"}],"wp:attachment":[{"href":"https:\/\/datakapital.com\/blog\/wp-json\/wp\/v2\/media?parent=4925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/datakapital.com\/blog\/wp-json\/wp\/v2\/categories?post=4925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/datakapital.com\/blog\/wp-json\/wp\/v2\/tags?post=4925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}