Use of Index Numbers

Index numbers matter because they turn scattered data into decisions. They measure changes in the standard of living and in price fluctuations, giving a clear read on whether people are, on average, paying more or less for the same basket of goods. Governments lean on price index numbers to frame policy — from wage revisions to subsidy decisions. Because an index series stretches across years, it lets analysts study past and present economic behaviour and use that pattern to forecast future business and economic activity. Index numbers also make **comparison across time and p …