tasarruf oranı

• ekonomide doğrudan olarak yatırımla bağlantısı kurulur.
  
  genellikle de: s=i (yani savings = investment) denir.
  
  ülkemizde 2012 yılı itibariyle %12 seviyelerine gerileyen tasarruf oranı, cari açık üzerindeki en büyük problemlerden birisidir ayrıca. kalıcı ve sorunsuz büyümeler için yüksek olması olmazsa olmazdır. tam olarak olivier blanchard ın macroeconomics kitabında durum şöyle açıklanmıştır hatta:
  
  --- spoiler ---
  
  "does this mean that an economy's saving rate -the proportion of income that is saved- is irrelevant? no. it is true that higher saving rate cannot permanently increase the growth rate of output. but it can sustain a higher level of output. let me state this in a slighlty different way. take two economies that differ only in their saving rate. the two economies will grow at the same rate; but any point in time, the economy with the higher saving rate will have a higher level of output per capita than the other. how and how much the saving rate affects the level of output, and whether a country such as the united states (which has a very low saving rate) should try to increase its saving rate, will be one of the topics we take up in chapter 11"
  
  --- spoiler ---