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October 16, 2018 

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HORIZONTAL ADDITION: In graphical analysis, the technique of combining two curves by adding the value of the variable on the horizontal or X axis for a given value of the variable on the vertical or Y axis. This is commonly done when deriving a market demand curve from a set of individual demand curves. The quantity demanded by every individual is added at a given price to identify the total market demand at that price.

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CAPITAL CONSUMPTION ADJUSTMENT:

The official item in the National Income and Product Accounts maintained by the Bureau of Economics Analysis that measures the macroeconomy's capital depreciation during a given time period, usually one year. The capital consumption adjustment (CCA), which is also commonly termed the capital consumption allowance (also conveniently abbreviated CCA), is subtracted from gross domestic product (GDP) to calculate net domestic product (NDP). The CCA is also subtracted from gross private domestic investment to calculate net private domestic investment.
The capital consumption adjustment is used to adjust gross domestic product for the wear and tear of capital during the course of production. The result of this adjustment is net domestic product. The capital consumption adjustment is also the difference between gross private domestic investment, the total amount of investment expenditures for capital goods, and net private domestic investment.

Capital Wear and Tear

The purpose of the capital consumption adjustment is to adjust gross investment expenditures and gross domestic product for depreciation of the capital stock. The reason for this adjustment is that the production of goods and services causes wear and tear on capital. Machines break down. Equipment becomes technologically obsolete. And the constant grind of productive activity causes almost all types of capital to just, plain wear out.

Three primary reasons exist for capital depreciation:

  • One, capital simply wears out during the normal course of production.

  • Two, capital also breaks down or is destroyed due to accidents, natural disasters, etc.

  • Three, capital becomes obsolete due to technological improvements.

Replacing Old with New

Whatever the cause of the depreciation, a portion of the economy's productive resources is devoted to replacing this depreciated capital. However, resources used for producing replacement capital cannot be used to produce new capital or wants-and-needs-satisfying consumption goods. As such, deducting the capital consumption adjustment from gross domestic product provides an indicator (net domestic product) of the production that moves the economy forward. Using similar reasoning, deducting the capital consumption adjustment from gross private domestic investment provides an indicator (net private domestic investment) of the net increase in the capital stock.

The capital consumption adjustment is usually around 10 percent of gross domestic product. In modern times, it has been as little as 8 percent and as much as 12 percent of GDP. A $10 trillion GDP is likely to see a CCA in the neighborhood of $1 trillion. While the purpose of the capital consumption adjustment is to measure the physical wear and tear or technological obsolescence of the capital stock, it is essentially an accounting estimate that depends on standard, legally-established accounting practices. In other words the CCA is NOT necessarily based on an actual physical evaluation of capital equipment.

Gross and Net Production

The relation between gross domestic product (GDP), net domestic product (NDP), and the capital consumption adjustment (CCA) is commonly illustrated by the following equation:

NDP=GDP - CCA

Gross and Net Investment

The relation between gross private domestic investment (GPDI), net private domestic investment (NPDI), and CCA is illustrated by this equation:

NPDI=GPDI - CCA

<= CAPITAL ACCOUNT, BALANCE OF PAYMENTSCAPITAL DEPRECIATION =>


Recommended Citation:

CAPITAL CONSUMPTION ADJUSTMENT, AmosWEB Encyclonomic WEB*pedia, http://www.AmosWEB.com, AmosWEB LLC, 2000-2018. [Accessed: October 16, 2018].


Check Out These Related Terms...

     | capital depreciation | net national product | national income | personal income | disposable income | gross national product | real gross domestic product |


Or For A Little Background...

     | net domestic product | gross domestic product | production | gross private domestic investment | net private domestic investment | capital | investment | investment expenditures | National Income and Product Accounts | Bureau of Economic Analysis | National Bureau of Economic Research |


And For Further Study...

     | macroeconomic problems | macroeconomic theories | macroeconomic sectors | circular flow | business cycles | stabilization policies | gross domestic product, ins and outs | gross domestic product, welfare | gross domestic product, expenditures | gross domestic product, income | net foreign factor income |


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