<br />Indicator: Net capital stock, volume, year 2010 = 100
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In this dataset, almost all OECD countries compile their data according to 2008 System of National Account (SNA).

The link to the file "ANA_changes.xls" is available for users to provide more information on where OECD countries and non member countries stand regarding the change over the 2008 SNA.

The readers' guide gives general information on the dataset and withheld criteria for this dataset.

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Net capital stock reflects the market value of the stock of fixed assets in the economy and as such provides an important indication of overall wealth. It also forms an important input into the derivation of other statistical indicators, such as depreciation and, in some cases, capital services.

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Definition

The stock of assets surviving from past periods, and corrected for depreciation is the net capital stock. The net stock is valued as if the capital good (used or new) were acquired on the date to which a balance sheet relates. The net stock is designed to reflect the wealth of the owner of the asset at a particular point in time.

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The stocks relate to produced fixed assets, tangible as well as intangible, and do not include non-produced assets, such as land and other natural resources; contracts, leases, and licences; and goodwill and marketing assets.

The value of the net stock of produced fixed assets is usually estimated by the perpetual inventory method (PIM). The PIM cumulates past flows of gross fixed capital formation (GFCF) in volume terms and corrects them for the retirement of assets and for their loss in value due to ageing and depreciation. Each annual investment is an addition to the stock, while each retirement or deterioration enters as a deduction.

Some countries also compute a measure of the gross capital stock which corresponds to the net stock before depreciation is taken into account. Thus, the gross stock only adjusts for retirements but otherwise treats every asset as if it were new.

It is also noteworthy that neither the net nor the gross stock are the conceptually correct measure to capture capital inputs into production - these are best reflected through measures of the flow of capital services (see Measuring Capital in "Further reading" for more information).

With the implementation of the 2008 SNA the asset boundary was expanded to include R&D and military weapons systems. This is in recognition that these expenditures provide long lasting services to the businesses, non-profit institutions, and governments who use them.

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<br />Indicator: Net capital stock, volume, year 2010 = 100Contact person/organisation

In this dataset, almost all OECD countries compile their data according to 2008 System of National Account (SNA).

The link to the file "ANA_changes.xls" is available for users to provide more information on where OECD countries and non member countries stand regarding the change over the 2008 SNA.

The readers' guide gives general information on the dataset and withheld criteria for this dataset.

Readers'guidehttp://stats.oecd.org/wbos/fileview2.aspx?IDFile=0f8a2aaf-ede2-450f-bcd7-5c64c251a50d ANA_changes.xlshttp://stats.oecd.org/wbos/fileview2.aspx?IDFile=a93cfcc9-df92-4d84-be64-58fd6d788737 Other data characteristics

Net capital stock reflects the market value of the stock of fixed assets in the economy and as such provides an important indication of overall wealth. It also forms an important input into the derivation of other statistical indicators, such as depreciation and, in some cases, capital services.

Key statistical concept

Definition

The stock of assets surviving from past periods, and corrected for depreciation is the net capital stock. The net stock is valued as if the capital good (used or new) were acquired on the date to which a balance sheet relates. The net stock is designed to reflect the wealth of the owner of the asset at a particular point in time.

Other manipulations

The stocks relate to produced fixed assets, tangible as well as intangible, and do not include non-produced assets, such as land and other natural resources; contracts, leases, and licences; and goodwill and marketing assets.

The value of the net stock of produced fixed assets is usually estimated by the perpetual inventory method (PIM). The PIM cumulates past flows of gross fixed capital formation (GFCF) in volume terms and corrects them for the retirement of assets and for their loss in value due to ageing and depreciation. Each annual investment is an addition to the stock, while each retirement or deterioration enters as a deduction.

Some countries also compute a measure of the gross capital stock which corresponds to the net stock before depreciation is taken into account. Thus, the gross stock only adjusts for retirements but otherwise treats every asset as if it were new.

It is also noteworthy that neither the net nor the gross stock are the conceptually correct measure to capture capital inputs into production - these are best reflected through measures of the flow of capital services (see Measuring Capital in "Further reading" for more information).

With the implementation of the 2008 SNA the asset boundary was expanded to include R&D and military weapons systems. This is in recognition that these expenditures provide long lasting services to the businesses, non-profit institutions, and governments who use them.

Recommended uses and limitations

Comparability

Cross country comparability is driven by three major factors: i) the coverage of fixed assets; ii) the retirement and depreciation profiles used; and iii) for those countries that use the PIM model, the length of time series available for GFCF by product.

OECD countries use various types of retirement and depreciation functions that may differ in shape and in regard to the average and maximum service lives for different types of assets. For example, some countries use linear depreciation profiles (corresponding to a constant amount of depreciation every period) and others use geometric profiles (corresponding to a constant rate of depreciation every period). However, the use of different parameters and profiles for depreciation does not in itself imply a lack of comparability. There may be very good reasons for these differences. For example, even if one could assume that the buildings in one country were exactly the same as another, one might expect a higher rate of depreciation in a country with extreme temperatures say.

An area where comparability is directly affected concerns the coverage of assets in estimates of net capital stock, and these are not always fully comparable across countries (see P51S, Gross fixed capital formation).

The three countries (Chile, Japan and Turkey) report their accounts under SNA 1993.

<Body /><Link><Title>2008 SNAhttp://stats.oecd.org/wbos/fileview2.aspx?IDFile=62f21fca-6a46-4460-b2d7-00d40d59f18dBibliographyhttp://stats.oecd.org/wbos/fileview2.aspx?IDFile=13c0f8d7-28cf-463b-a443-6d11290b4756