The sector’s PPI for the 12 months to Dec. 21 (end of fall) increased by 12.7%. The overall PPI of the industrial sector (using 2011 as the base year) stood at 253.6 in winter, indicating a 4.5% increase compared to the previous quarter (fall) and 21.3% increase over the same season of last year. According to the Central Bank of Iran, the overall PPI in Iran during the same period under review increased by 10.5% compared with last year’s corresponding period. The importance of PPI lies in its predictive content for the future pattern of Consumer Price Index. Changes in PPI are usually reflected in Consumer Price Index within a short period of time. PPI gauges the price fluctuations of goods and services for the producer whereas CPI measures changes in the price level of a basket of consumer goods and services purchased by households, Financial Tribune reported.