Comparing GDPs over time requires the use of a ________.

Question

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Comparing GDPs over time requires the use of a base year, which serves as a reference point for measuring economic growth or contraction. The base year is usually chosen as a year of stable economic conditions, and all subsequent GDP calculations are adjusted to reflect changes in prices and inflation since that year. This allows for meaningful comparisons of economic activity over time.

Comparing GDPs Over Time Requires the Use of a ________