Given the data below: (a) What is 2010 GNP in 2009 prices?...

Given the data below: (a) What is 2010 GNP in 2009 prices? (b) What is the growth rate of real GNP from 2009 to $2010 ?$ (c) What is the inflation rate? $$ \begin{array}{|l|l|l|} \hline \text { Year } & \text { Nominal GDP }(\mathrm{f}) & \text { Income elasticity } \\ \hline 2009 & 2000 & 100 \\ \hline 2010 & 2400 & 100 \\ \hline \end{array} $$

Given the data below: (a) What is 2010 GNP in 2009 prices? (b) What is the growth rate of real GNP from 2009 to $2010 ?$ (c) What is the inflation rate?
$$
\begin{array}{|l|l|l|}
\hline \text { Year } & \text { Nominal GDP }(\mathrm{f}) & \text { Income elasticity } \\
\hline 2009 & 2000 & 100 \\
\hline 2010 & 2400 & 100 \\
\hline
\end{array}
$$

Key Concepts

Economic Growth Rate

The economic growth rate is calculated by comparing the real GDP (or GNP) of two periods. It measures the percentage change in real output, thereby indicating how much an economy has grown or contracted, without the influence of price changes.

Inflation Rate

The inflation rate is the percentage change in the price level over a period of time, typically calculated using a price index like the GDP deflator. It reflects how much prices have increased (or decreased) and affects the purchasing power of money.

GDP Deflator

The GDP deflator is a price index that measures the level of prices of all new, domestically produced, final goods and services in an economy by comparing nominal GDP to real GDP. It is used to convert nominal values into real values and to assess the rate of inflation between periods.

Real GDP (or Real GNP)

Real GDP is the measure of a country’s output that has been adjusted for changes in the price level (inflation or deflation). It reflects the actual quantity of goods and services produced, using the prices from a chosen base year, and thus provides a more accurate indicator of economic growth over time.

Nominal GDP

Nominal GDP represents the market value of all final goods and services produced in a country in a given period, measured using current prices. It does not adjust for inflation, so changes in nominal GDP can result from both changes in output and changes in the price level.

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