Edexcel IGCSE Geography 复习笔记 4.1.3 Changes in Economic Sectors
Causes of Change
As countries develop the numbers of people employed in each economic sector changes
This can be seen in the Clark Fisher Model and in the examples below
Reasons for Changes in Location
Reason
Explanation
Availability of raw materials
Raw materials may have run out or be economic unviable to obtain
Crop production and livestock may be reduced due to drought, flood, pest/disease or soil erosion
Globalisation
Transnational corporations (TNCs) have factories and offices in many countries
Lower costs tend to be in developing and emerging countries
The internet and improved communication mean that service activities such as call centres can be located anywhere in the world
Mechanisation
There are fewer jobs in farming, mining and many factories due to mechanisation
Demographic changes
Increasing population means that there is a greater demand for products and services
People have more disposable income to spend on leisure and other services
Government policies
Government policies target particular economic activities to locate in their country using tax incentives, infrastructure improvements (new railways, airports) and grants/cheap rent