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Noun Concept
Categories: Economic sectors, All articles with style issues, National accounts
EN
Quaternary sector of the economy  Information Sector  4o Sector  4º Sector  information services
EN
The quaternary sector of the economy is a classification associated with extensions to the three-sector model in which the primary, secondary and tertiary sectors combine to produce goods from raw materials and distribute them to final consumers. Wikipedia
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EN
The quaternary sector of the economy is a classification associated with extensions to the three-sector model in which the primary, secondary and tertiary sectors combine to produce goods from raw materials and distribute them to final consumers. Wikipedia
Which encompasses knowledge-based services Wikipedia Disambiguation