In sectors of the economy in the economic science industry and trades are divided. They find their basis in the three-sector hypothesis of the political economy.

Primary sector

To these sectors belong agriculture, forestry, fishery as well as the mining industry.

Secondary sector

The secondary sector does not cover the producing trade of a national economy, i.e. processing of raw materials, processing trade, industry, handicraft, energy industry, power supply and water supply however construction industries. Synonymously the term of the industriellen of sector is used. In addition, mining industry.

Of the sector the subsequent treatment of goods from the primary sector is characteristic, whereby it is material intensive. By the production process by means of use of capital goods it is capital-intensive.

See also: Industrial company

Tertiary sector

The tertiary sector or also service sector covers all enterprises of a national economy, which services furnish. Belong to it under other following industries:

• Trade
• Traffic, logistics
• Tourism, hotel and catering trade
• Transmission of news
• Credit institutes
• Insurance
• Flat-letting business
• other enterprises or free occupations, which furnish services
• Organizations without an acquisition character
• Regional administrative bodies
• Social security
• Banks
• private households
• public households, e.g. State of, municipalities, German Federal Armed Forces etc.

Of the sector production is characteristic by employment of work, thus the sector is personnel intensive.

Due to the economicalally meaning activity certain branches of the tertiary sector are specified often separately. This usually concerns the ranges trade, traffic and public households. Meaningful this subdivision is in particular for service-intensive locations: Cities such as Frankfurt/Main, Bonn, London or Paris gain around the 90% of their gross value creation within the service range.

See also: Service company

There are different definitions for the quart eras sector. Jean Gottmann defined 1961 the activities falling into this sector as activities from the range of the tertiary sector, which placed particularly high intellectual requirements and require pronounced responsibility readiness. By this fall in particular consultation (attorneys, economic advisers, tax counsels, welfare and occupations of educating and news service achievements). In the classical tertiary sector services are in such a way such as cleaning, repair or transportation services.

Every now and then under the term sector are summarized also alone at present the rapidly expanding news service achievements, thus all industries, which with production, processing and sales of information (data and knowledge) to concern itself.

A further definition sees than quart eras sector of services, those are furnished within the range spare time and maintenance and particularly calculation carries for so this likewise rapidly growing sector of the economy.

Hans's lime tree understood by quart eras the sector 1977 services, which separate not by free market principles guided politically are adjusted (national services).

Sources paragraph nine and four: Heinritz, G. (1990), the tertiary sector as Forschungsgebiet of geography, in: Practice geography, H.1, S.6-12

See also: Information society

This term becomes occasional also for the disposal economy related. The original stamping SAMness of the "3-Sektoren" - beginning comes certainly thereby into swimming.

See also:

• CR 2003
• NACE

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