The relative performance of metropolitan areas or particular industries within metropolitan areas can be assessed by examining their real (chained-dollar) growth rates and shares of current-dollar GDP by metropolitan area. For example, comparing an industry’s real growth rate of chained-dollar GDP by metropolitan area to the growth rate of total chained-dollar GDP by metropolitan area indicates whether that industry is raising or lowering the metropolitan area’s growth rate. Comparing the share of total GDP by metropolitan area in current dollars that is accounted for by an industry’s GDP by metropolitan area over time indicates whether that industry’s claim on the metropolitan area’s resources is increasing or decreasing.
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