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TOTAL REVENUE, MONOPOLISTIC COMPETITION: The revenue received by a monopolistically competitive firm for the sale of its output. Total revenue is one of two parts a monopoly needs to calculate economic profit, the other is total cost. In general, total revenue is the price received for selling a good times the quantity of the good sold at that price. Because a monopolistically competitive firm has some degree of market control and faces a negatively-sloped demand curve, it charges a different price for a different quantities. If a monopoly sells a relatively small quantity, it charges a relatively high price. If it sells a relatively smaller quantity, it charges a relatively lower price. However, once the monopolistically competitive firms determines its' price/quantity combination, total revenue calculation is relatively straightforward, multiple the price times the quantity.

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REAL GROSS DOMESTIC PRODUCT:

The total market value, measured in constant prices, of all goods and services produced within the political boundaries of an economy during a given period of time, usually one year. The key is that real gross domestic product is measured in constant prices, the prices for a specific base year. Real gross domestic product, also termed constant gross domestic product, adjusts gross domestic product for inflation. A contrasting measure is nominal gross domestic product, which does not adjust for inflation.
Real gross domestic product is found by asking, then answering, this simple question: What is the value of gross domestic product if market value is specified using prices for another year, a base year? By calculating real gross domestic product, using prices for a base year, year-to-year changes are exclusively the result of physical production. Any changes from inflation are eliminated. Real gross domestic product uses CONSTANT prices, prices that do not change.

A Good Measure to Know

Measuring real gross domestic production is worthwhile for a couple of reasons.
  • First, adjusting for inflation. A comparison of real gross domestic product between years identifies changes attributed exclusively to physical production. This makes real gross domestic product a much better indicator of the health and vitality of the economy than nominal gross domestic product.

  • Second, tracking business cycles. Real gross domestic product does a better job of picking up business cycles than nominal gross domestic product. Because nominal gross domestic product includes both quantity and price changes, changes in physical production often go unnoticed. Real gross domestic product provides a better indicator of the overall performance of the economy.

Adjusting for Inflation

Gross domestic product is the total MARKET VALUE of current economic production. The capitalized phrase MARKET VALUE serves to emphasize that gross domestic product measures current production at current market prices. This is the essence of market value.

Real gross domestic product uses CONSTANT market prices to adjust for inflation and price changes.

Suppose, for example, that a good like hot fudge sundaes produced this year are sold this year for $2 each. The current market value is based on this $2 price tag. The CURRENT price is $2. This is the price at which the hot fudge sundaes are exchanged. If 100,000 hot fudge sundaes are sold this year for $2 each, then the current market value of hot fudge sundae production is $200,000. This information is used to calculate nominal gross domestic product--CURRENT production at CURRENT prices.

Knowing the CURRENT market value of CURRENT economic production, or nominal gross domestic product, is quite useful. However, in many cases REAL gross domestic product, CURRENT economic production measured at CONSTANT prices is more useful.

Suppose, for example, that GDP (nominal GDP) this year is 10 percent greater than last year. What does this say about the economy's ability to produce the goods and services that satisfy wants and needs?

  • One possibility is that physical production has increased by 10 percent, with no change in prices.

  • Another possibility is that prices have increased by 10 percent, with no change in physical production.

  • A third possibility is that production and prices have both changed, say a 6 percent increase in production and a 4 percent increase in the prices.

  • Yet another possibility is that either production or prices have decreased, say a 4 percent decrease in production with a 14 percent increase in prices.
NOMINAL GDP, does NOT indicate how prices and production have changed separately. It only indicates the combined change in both. Either or both might have changed. That does not happen with REAL GDP.

Now suppose that real GDP this year is 10 percent greater than last year. What does this say about the economy's ability to produce the goods and services that satisfy wants and needs?

  • The ONLY possibility is that physical production has increased by 10 percent. The reason is that real GDP IS a measure of physical production and ONLY physical production.

The task readily accomplished by real gross domestic product is a means of comparing changes in economic production from one year to the next. It indicates how the physical production of goods and services, the production used to satisfy wants and needs and lessen the scarcity problem, changes over time.

GDP Price Deflator

A handy side benefit from estimating real gross domestic product is the GDP price deflator. This is achieved by calculating and comparing real gross domestic product and nominal gross domestic product for a given year. The GDP price deflator is an extremely useful measure of the average price level which is used to estimate inflation.

Here is an overview of how the GDP price deflator is measured.

  • First suppose that real gross domestic product is calculated using 2000 base year prices. This means that 2004 real gross domestic product is estimated using 2000 prices.

  • However, nominal gross domestic product for the year 2004 is also estimated. In this case, 2004 nominal gross domestic product is estimated using 2004 prices.

  • A comparison between 2004 real gross domestic product and 2004 nominal gross domestic product then indicates how much prices change from 2000 to 2004.

  • If 2004 nominal gross domestic product is 5 percent greater than 2004 real gross domestic product, then prices have increased by an average 5 percent from 2000 to 2004.

  • By setting the ratio of real and nominal gross domestic product to 100 in the 2000 base year, then the GDP price deflator is equal to 105 in 2004.

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Recommended Citation:

REAL GROSS DOMESTIC PRODUCT, AmosWEB Encyclonomic WEB*pedia, http://www.AmosWEB.com, AmosWEB LLC, 2000-2022. [Accessed: May 26, 2022].


Check Out These Related Terms...

     | nominal gross domestic product | net domestic product | national income | personal income | disposable income | gross national product |


Or For A Little Background...

     | gross domestic product | business cycles | current production |


And For Further Study...

     | Bureau of Economic Analysis | National Bureau of Economic Research | business cycle indicators | stabilization policies | potential real gross domestic product | inflation | price level | gross domestic product, ins and outs | gross domestic product, welfare | gross domestic product, expenditures | gross domestic product, income | National Income and Product Accounts | circular flow | GDP price deflator |


Related Websites (Will Open in New Window)...

     | Bureau of Economic Analysis | National Bureau of Economic Research |


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