Are U.S. unemployment rates typically higher, lower, or about the same as unemployment rates in other high-income countries?
QBA index number A number that measures the relative change in price, quantity, value, or some other item of interest from one time period to another. simpleindex number measures the relative change in just one variable. Unweighted Indexes -Simple Average of the Price Indexes -Simple Aggregate Index Special Purpose Index -Consumer Price Index -Producer Price Index -S&P Index different index numbers unweighted indexes Value index Special purpose index value index measures changes in both the price and quantities involved. A value index, such as the index of department store sales, needs the original base-year prices, the original base-year quantities, the present-year prices, and the present year quantities for its construction. The Consumer Price Index is also used t