Why should chained-dollar industry GDP components not always be summed to reconstruct total GDP? » Graduate U.S. Economy MCQ » MCQ Academy

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Why should chained-dollar industry GDP components not always be summed to reconstruct total GDP?

Industry accounts include only private companies, while total GDP includes government
Real industry output is measured at current prices but total output uses fixed quantities
Chain-type quantity indexes are not strictly additive across components
An industry’s value added is identical to its gross sales in all periods

Industry accounts include only private companies, while total GDP includes government
Real industry output is measured at current prices but total output uses fixed quantities
Chain-type quantity indexes are not strictly additive across components
An industry's value added is identical to its gross sales in all periods

Note

Chained-dollar real GDP accounts are index-derived measures and are not always additive across detailed component industries.

Chain-type real GDP uses changing weights to reflect evolving relative prices. As a result, detailed chained-dollar components can fail to sum exactly to aggregate real GDP outside the reference year; analysts should not impose simple additivity. This statistical property prevents analysts from reconstructing every real aggregate by ordinary addition of published components.

Tags: Economic Research Methods, New Jersey Facts

Note

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