Clark-Fisher Model: An economic theory that states as a country develops, the sectors which people working in changes. This is due to the changing nature of the economy due to technology – industrialization. There are three stages of development:
Industrial
– Lots of jobs are created in factories and industries, e.g. steel, textiles, steel and engineering goods. Chemical and vehicle industries being to develop.
– Secondary industries, such as manufacturing and construction, increase in importance in terms of the economy and employment and peaks in the industrial stage.
– The tertiary sector also begins to grow while the primary sector beings to decrease
Post- industrial
– The tertiary sector, providing services to the population, becomes the most important sector and continues to grow.
– The quaternary sector begins to make an appearance while the primary and secondary sectors continue to decline.