Economic activity sustains people and involves output from a number a different economic sectors. – The classification of employment by sector: Primary, Secondary, Tertiary and Quaternary. The relative importance of these economic sectors charges with development and varies between and with countries. Informal employment: Characteristics and causes.
The location and growth of particular types of economic activity are influence by a range of factors. – Factors affecting the location and growth of tertiary and quaternary activities (prosperity, new technology, accessibility, transport, government policy). Factors affecting the changing location of manifesting (TNC’s raw materials, labour, new technology government policy).
Increased Economic production creates a rising demand for energy and/or energy efficiency. – The concept of ‘precious’ energy and the need for energy efficiency. The relative merits of using renewable energy e.g. wind, solar, nuclear and hydroelectric power versus non-renewable energy e.g. fossil fuels and nuclear power.
Primary – The exploitation of raw materials from the land, sea or air e.g. farming and Mining.
Secondary – The manufacturing of primary materials into finished products e.g. car building, food processing or construction.
Tertiary – The providing of services to individuals and other businesses e.g. teaching, banking, retail and nursing.
Quaternary – The generation and sharing of hi-tech knowledge e.g. medical research and technological advance.
e.g. Phycology – Tertiary
Companies that operate in several countries are called multinational corporations (MNCs) or transnational corporations (TNCs). The two pictures above and below show the logos of examples.