U.S. Spending Components as Percentages of GDP Since 1960
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Consumption's share a total U.S. spending increased slightly from 1960 to 2005. During the most recent decade, consumption averaged 69 percent of the total.
Computation of Value Added for a New Wooden Desk
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The value added to each stage of production is the sale value minus the cost of intermediate goods, a column (2) minus column (3). The sum of the values added at all stages equals the market value of the final good, shown at the bottom of column (4)