Market structures- Topic 4 Flashcards
Market stucture with many buyers and sellers that can achieve allocative and productive efficiency in the long run.
Perfect competition
Perfect competition
Market stucture with many buyers and sellers that can achieve allocative and productive efficiency in the long run.
Price taker
An invidiual or firm must accept the ruling market price as it lacks the power to influence the market.
Characteristics of perfect competition
Many buyers and sellers, no barriers to entry, no barriers to exit, price takers, homogenous products, perfect knowledge in the market.
What shape is the average cost curve?
U-shaped
Where does the Marginal Cost curve dissect the Average Total Cost curve?
At the lowest point
What is the level of profit maximisation output in perfect competition?
Where MC=MR (so where those two curves meet).
When do firms in perfect competition make supernormal profits?
In the short run
In perfect competition, in what position is the AR or Demand curve?
It is horizontal and is perfectly elastic.
What type of efficiency is P=MC?
Allocative efficiency
In the long run, what has happened to supernormal profits in a perfectly competitive market?
They have been removed because more firms have joined the market and therefore the market price has fallen so all firms operate where MC=ATC=MR.