Inflation rate (通帳率) is the rate of persistent increase in the general price level =.=
Inflation rate at teim t = Price index at tiem t+1 / Price index at time t * 100%
Price index can be consumer price index (CPI), Gross Domestic Product (GDP) deflator, etc.
2007-09-24 00:01:26 補充:
Inflation rate at teim t = ( Price index at tiem t 1 / Price index at time t - 1 ) * 100%