Week 3 - market structure Flashcards
What is market structure
refers to the amount of competition that exists in a market between producers
What does market structure depend on (competition)
- number of firms
- size of firms
- demand
- supply conditions
- ease of entry and exit
Benefits of competition
- lower prices
- greater quality of goods and services
- greater variety
- research and development improves innovation
- better information
Perfect competition - price
One unitary price for all alike goods
perfect competition - barriers to entry
no barriers to entry, nothing to prevent a new firm setting up production in the industry
perfect competition - knowledge
producers have perfect knowledge of prices and costs of other producers, consumers know the prices charged by all firms
Perfect competition - homogenous product
All units of the good are identical to one another
perfect competition - mobility
people, machine and land can be used for any purpose and consumers are free to purchase the good from a producer
Perfect competition - many buyers and sellers
no single seller has monopoly of the market and therefore cannot influence the price
What is normal profit
The minimum level of profit
Abnormal profit
any profit on top of or over the minimum (normal) level
Is abnormal profit sustainable in the long term
No, the low barriers to entry allows other firm to enter the market and also earn abnormal profit
What is a monopoly
A market where the is no competition, there is a single producer supplying the whole market
Factors affecting the power of the monopolist
Availability of substitutes, height of barriers to entry
Example of a monopoly
British rail have monopoly power in the rail travel industry