To derive real GDP, the System of National Accounts 2008 (2008 SNA) recommends a technique called double deflation. Some countries use single deflation techniques, which fail to capture important relative price changes and introduce estimation errors in official GDP growth. We simulate the...

In the wake of falling commodity prices, the accuracy of GDP growth estimates in some emerging market economies have been subject to debate, in part because of the single-deflation method used to derive volume measures. A volume estimate of GDP is an essential measure of economic activity...