Inflation and its effects
In North USA there are two main price indexes that measure inflation:
Consumer Price Index (CPI) - A measure of price changes in consumer goods and services such as gasoline, food, clothing and automobiles. The CPI measures price change from the perspective of the purchaser. U.S. CPI data can be found at the Bureau of Labour Statistics.
Producer Price Indexes (PPI) - A family of indexes that measure the average change over time in selling prices by domestic producers of goods and servic