Levels of economic activity In order for products to be made and sold to the people, it must undergo 3 different production processes. Each process is done by a different business sector and they are: Primary sector: The natural resources extraction sector. E.g. farming, forestry, mining... (earns the least money) Secondary sector: The manufacturing sector. E.g. construction, car manufacturing, baking... (earns a medium amount of money ) Tertiary sector: The service sector. E.g banks, transport, insurance... (earns the most money) Importance of a sector in a country: no. of workers employed. value of output and sales. Industrialisation: a country is moving from the primary sector to the secondary sector. De-industrialisation: a country is moving from the secondary sector to the tertiary sector. In both cases, these processes both earn the country more revenue. Types of economiess Free market economy: All businesses are owned by the private sector . No government intervention. Pro...