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The definition of a monopsony is an economic market structure that comprises a sole purchaser of a particular good or service in the factor market. In comparison to a monopoly, the primary difference between the two market structures lies in the entities they control. A monopoly is a situation in which a single seller dominates the market.
The tertiary sector of the economy, generally known as the service sector, is the third of the three economic sectors in the three-sector model (also known as the economic cycle). The others are the primary sector ( raw materials ) and the secondary sector ( manufacturing ).
They employ the various factors of production and they sell the finished goods to the households for consumption and to the government. Households Households make consumption decisions and own factors of production. They provide firms with factor services in production, and buy finished goods from firms for consumption. [1] Government
Three sectors according to Fourastié Clark's sector model This figure illustrates the percentages of a country's economy made up by different sector. The figure illustrates that countries with higher levels of socio-economic development tend to have less of their economy made up of primary and secondary sectors and more emphasis in tertiary sectors.
Many services involve variable human activity, rather than a precisely determined process; exceptions include utilities. The human factor is often the key success factor in service provision. Demand can vary by season, time of day, business cycle, etc. Consistency is necessary to create enduring business relationships.
In the 20th century, economists began to suggest that traditional tertiary services could be further distinguished from "quaternary" and quinary service sectors. Economic activity in the hypothetical quaternary sector comprises information- and knowledge-based services, while quinary services include industries related to human services and ...
Services constitute over 50% of GDP in low income countries and as their economies continue to develop, the importance of services in the economy continues to grow. [2] The service economy is also key to growth, for instance it accounted for 47% of economic growth in sub-Saharan Africa over the period 2000–2005 (industry contributed 37% and agriculture 16% in the same period). [2]
The earlier term for the discipline was "political economy", but since the late 19th century, it has commonly been called "economics". [22] The term is ultimately derived from Ancient Greek οἰκονομία (oikonomia) which is a term for the "way (nomos) to run a household (oikos)", or in other words the know-how of an οἰκονομικός (oikonomikos), or "household or homestead manager".