Why is GDP growth measured by the change in the real GDP Quantity Index and not by the change in GDP or real GDP? measure of GDP growth byu/IDontStealBikes inAskEconomics Posted by IDontStealBikes
EconomistWithaD on May 8, 2026 2:16 am [What?](https://www.stlouisfed.org/on-the-economy/2025/feb/how-did-us-economy-do-last-year-two-measures-gdp-growth)
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[What?](https://www.stlouisfed.org/on-the-economy/2025/feb/how-did-us-economy-do-last-year-two-measures-gdp-growth)