Determining the size of specific markets within a market-product grid is helpful in determining which target market segments to select and how to implement the 80/20 rule. which products to group into meaningful categories. how to implement a harvesting strategy. which product groupings to offer. which products to reposition.

He interest rate effect is the change in real gdp caused by the federal reserve adjusting target interest rates. is the change in consumer and investment spending due to changes in interest rates resulting from changes in the aggregate price level. is the change in exports and imports, resulting from changes in the interest rate caused by changes in the aggregate price level. is the change in investment spending and government purchases caused by changes in money demand. is the change in interest rates, caused by changes to government purchases.