If we compared the GDP's of two periods, we can not really tell if there was an increase or decrease from the previous period, hence the GDPP(snd stsndsrd of living). Real GDP can tell us this because we take a reference base year price and calculate the GDP of the periods. What is actually considered here now is if there 's a change in the quantity of goods. If we used just the nominal GDP: which is the 'true GDP' that period, it will be impartial to do comparism because there might have been an increase in price but same quantity of goods (or even less). Remember, when we talk about GDP, we basically mean the total amount of production: think of it as quantity of production.
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Nominal GDP is GDP evaluated at current market prices. Therefore , nominal GDP wil include of the changes in market prices that have occurred during the current year due to inflation or deflation. Nominal GDP= GDP deflator.real GDP/100 Real GDP is GDP evaluate at the market price of some base year. GDP deflator --- Using the statistics on real GDP and nominal GDP, one can calculate an implecit index of the price level for the year. This index is called GDP deflator. GDP deflator = nominal GDP/real GDP .100 The GDP deflator can be viewed as a conversion factor that transform real GDP into nominal GDP. Note that in the base year, real GDP is by definition equal to nominal GDP so that the GDP deflator in the base year equal to 100.
To calculate the GDP deflator, divide the nominal GDP by the real GDP and multiply by 100. The formula is: GDP Deflator (Nominal GDP / Real GDP) x 100. This measure helps adjust for inflation and shows how much prices have changed over time.
GDP Deflator = Nominal GDP/Real GDP x 100.
Potential GDP is the total numerical value of GDP before inflation is counted in. Real GDP is nominal GDP adjusted for inflation
To determine the real GDP from nominal GDP, one must adjust the nominal GDP for inflation. This is done by using a price index, such as the Consumer Price Index (CPI), to account for changes in prices over time. By dividing the nominal GDP by the price index, one can calculate the real GDP, which reflects the true value of goods and services produced in an economy after adjusting for inflation.