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These jobs are linked by the fact that they are characterized by "low skill levels, low earnings, easy entry, job impermanence, and low returns to education or experience." [2] The informal economy consists of labour that is often "pay-under-the-table". This market tends to attract the poor and a disproportionate number of minority group ...
Sometimes, secondary jobs are performed by high school or college students. The majority of service sector, light manufacturing, and retail jobs are considered secondary labor. [1] Secondary market jobs are sometimes referred to as “food and filth” jobs, a reference to workers in fast food, retail, or yard work, for example. [2]
The secondary sector depends on the primary sector for the raw materials necessary for production. Countries that primarily produce agricultural and other raw materials (i.e., primary sector) tend to grow slowly and remain either under-developed or developing economies.
An economy may include several sectors that evolved in successive phases: The ancient economy built mainly on the basis of subsistence farming.; The Industrial Revolution lessened the role of subsistence farming, converting land-use to more extensive and monocultural forms of agriculture over the last three centuries.
At the top level, they are often classified according to the three-sector theory into sectors: primary (extraction and agriculture), secondary (manufacturing), and tertiary (services). Some authors add quaternary (knowledge) or even quinary (culture and research) sectors. Over time, the fraction of a society's activities within each sector changes.
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.
The job market consists of a majority of blue collar and white collar jobs. The primary sector generally contains the higher-grade, higher-status, and better-paid jobs, with employers who offer the best terms and conditions. The primary sector is sometimes sub-divided into an upper and lower level.
Primary sector of the economy (the raw materials industry) Secondary sector of the economy (manufacturing and construction) Tertiary sector of the economy (the "service industry") Quaternary sector of the economy (information services) Quinary sector of the economy (humanitarian services)