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Using Index Numbers to Compare Economic Trends

Index numbers serve as a valuable tool for comparing how economic variables, such as nominal wages and prices, change over time. This method involves selecting a 'base year' and setting the value of each variable in that year to 100. By doing so, the subsequent values in the series represent percentage changes relative to the base year, making it easier to track relative growth and analyze the resulting trends in real wages.

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Updated 2025-10-08

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