Answer
Nominal GDP is GDP not adjusted for inflation of prices. Real GDP is GDP that has been adjusted for inflation and price changes. Real GDP is more reliable than nominal GDP because it reflects the true growth in standard of living because price changes of everything occur. GDP price index is used to inflate or deflate a nominal GDP to match real GDP.
Work Step by Step
Nominal GDP is GDP not adjusted for inflation of prices. Real GDP is GDP that has been adjusted for inflation and price changes. Real GDP is more reliable than nominal GDP because it reflects the true growth in standard of living because price changes of everything occur. GDP price index is used to inflate or deflate a nominal GDP to match real GDP.