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# Which of the following statements about methods of calculating gross domestic product is most accurate?

Question:

A
Except for a statistical discrepancy, the income and expenditure approaches to calculating GDP should result in the same value for economic output.

Explaination

Because aggregate income is the same as aggregate output, measuring GDP by summing incomes or expenditures should produce the same value, except for a statistical discrepancy that results from using different data sources. The sum-of-value-added method of calculating GDP records the sum of the increases in value of goods and services at each stage of their production and distribution. The resulting total for GDP is the same as that reached by the value-of-final-output method because the sum of value added to a good at all stages of processing is equal to its selling price. Both methods calculate GDP based on expenditures.

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