宏觀經(jīng)濟(jì)學(xué)學(xué)習(xí)筆記【3】關(guān)于CPI的其他幾個(gè)變量
The differences between GDP deflator and CPI
(1)GDP deflator only gauge the statistics domestically.
This first difference is particularly important when the price of oil transforms.
(2)the change of the basket of the CPI - occationally
the change of the group of goods and services used to GDP deflator - automatically
dollar figures from different times
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Price level today
Amount in today's dollars = amount in year T dollars * ----------------------
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Price level in year T
indexation - the automatic correction by law or contract of a dollar acount for the effects of inflation
dollar figures from different times
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Price level today
Amount in today's dollars = amount in year T dollars * ----------------------
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Price level in year T
indexation - the automatic correction by law or contract of a dollar acount for the effects of inflation
nominal interest rate: the interest rate as usually reported without a correction for the effects of inflation
real interest rate: the interest rate corrected for the effects of inflation, in another point, it concerns your purchasing power
? ? ?Real interest rate = nominal interest rate - inflation rate
Deflation : REAL>NOMINAL
inflation: NOMINAL>REAL