Perfect competition
An ideal market structure where firms offer the same product
Monopolistic or imperfect competition
Many producers in a competitive market selling similiar but not identical goods
Oligopoly
Market where the industry is dominated by small numbers of sellers e.g supermarkets
Monopoly
Only one seller and the company and its products dominate a sector or an industry, controlling prices and market supply
Deregulation
Removel of government controls
Privatisation
Transfer of ownership of business or services from the public sector to the private sector
HHI
Measures of market concentration. used to measure the level of competition in an industry