What is the definition of a recession? and what is a depression?

Posted on August 21, 2011
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Recession? Depression? What’s the Difference?
How Can You Tell When there Is a Recession
by From Mike Moffatt,
source: http://economics.about.com/cs/businesscycles/a/depressions.htm
date published on that Webpage: Not Shown on the source.

There is an old joke among economists that states: A recession is when your neighbor loses his job. A depression is when you lose your job.

The difference between the two terms is not very well understood for one simple reason: There is not a universally agreed upon definition. If you ask 100 different economists to define the terms recession and depression, you would get at least 100 different answers. I will try to summarize both terms and explain the differences between them in a way that almost all economists could agree with.

Recession: The Newspaper Definition
The standard newspaper definition of a recession is a decline in the Gross Domestic Product (GDP) for two or more consecutive quarters.
This definition is unpopular with most economists for two main reasons. First, this definition does not take into consideration changes in other variables. For example this definition ignores any changes in the unemployment rate or consumer confidence. Second, by using quarterly data this definition makes it difficult to pinpoint when a recession begins or ends. This means that a recession that lasts ten months or less may go undetected.

Recession: The BCDC Definition
The Business Cycle Dating Committee at the National Bureau of Economic Research (NBER) provides a better way to find out if there is a recession is taking place. This committee determines the amount of business activity in the economy by looking at things like employment, industrial production, real income and wholesale-retail sales. They define a recession as the time when business activity has reached its peak and starts to fall until the time when business activity bottoms out. When the business activity starts to rise again it is called an expansionary period. By this definition, the average recession lasts about a year.

Depression
Before the Great Depression of the 1930s any downturn in economic activity was referred to as a depression. The term recession was developed in this period to differentiate periods like the 1930s from smaller economic declines that occurred in 1910 and 1913. This leads to the simple definition of a depression as a recession that lasts longer and has a larger decline in business activity.

The Difference
So how can we tell the difference between a recession and a depression? A good rule of thumb for determining the difference between a recession and a depression is to look at the changes in GNP. A depression is any economic downturn where real GDP declines by more than 10 percent. A recession is an economic downturn that is less severe.
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Now you should be able to determine the difference between a recession and a depression without resorting to the poor humor of the dismal scientists.

If you have a question you’d like answered about recessions, depressions, or any other economics topic, please use the feedback form.

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The NBER’s Business Cycle Dating Committee
The NBER’s Business Cycle Dating Committee maintains a chronology of the U.S. business cycle. The chronology comprises alternating dates of peaks and troughs in economic activity. A recession is a period between a peak and a trough, and an expansion is a period between a trough and a peak. During a recession, a significant decline in economic activity spreads across the economy and can last from a few months to more than a year. Similarly, during an expansion, economic activity rises substantially, spreads across the economy, and usually lasts for several years.

In both recessions and expansions, brief reversals in economic activity may occur-a recession may include a short period of expansion followed by further decline; an expansion may include a short period of contraction followed by further growth. The Committee applies its judgment based on the above definitions of recessions and expansions and has no fixed rule to determine whether a contraction is only a short interruption of an expansion, or an expansion is only a short interruption of a contraction. The most recent example of such a judgment that was less than obvious was in 1980-1982, when the Committee determined that the contraction that began in 1981 was not a continuation of the one that began in 1980, but rather a separate full recession.

The Committee does not have a fixed definition of economic activity. It examines and compares the behavior of various measures of broad activity: real GDP measured on the product and income sides, economy-wide employment, and real income. The Committee also may consider indicators that do not cover the entire economy, such as real sales and the Federal Reserve’s index of industrial production (IP). The Committee’s use of these indicators in conjunction with the broad measures recognizes the issue of double-counting of sectors included in both those indicators and the broad measures. Still, a well-defined peak or trough in real sales or IP might help to determine the overall peak or trough dates, particularly if the economy-wide indicators are in conflict or do not have well-defined peaks or troughs.

FAQs – Frequently asked Questions and additional information on how the NBER’s Business Cycle Dating Committee chooses turning points in the Economy

Data and Figures :
Microsoft Excel Spreadsheet
Comments from Martin Chu. How come the data and graphics do not have data after July 2010? Are they no longer working on monitoring economical activities. Or the empolyee there and supervisors are told not to make those data available to general public!
Whatever the situation is, general people should have the consistent, reliable and accurate data to make correct business, personal and daily decisions.

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