Real net output ratio

The Real Net Output Ratio^[1] (or Vertical Range of Manufacture^[2]) is a term commonly used by Category: German economists^[3] and infrequently used in wider Europe, and globally.^[4] It is used as a measure of vertical integration, though typically limited to a business, rather than across a group of associated companies or a nation. The term was first popularized outside Germany in Hermann Simon's 1996 publication, Hidden champions: lessons from 500 of the world's best unknown companies. ^[5]

In a value chain, the Real Net Output Ratio is the fraction of the internal (company specific) production on the total production value of one company. The total production value of a company consists of internal production plus the sum of externally produced goods and services.

${\displaystyle \textstyle Real\,Net\,Output\,Ratio={\frac {internal\,production}{total\,production\,value}}={\frac {internal\,production}{internal\,production\,+\,externally\,produced\,goods\,+\,externally\,produced\,services}}}$

A Real Net Output Ratio of 0% relates to a company that does not have its own production and therefore only does trading.

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