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Perfect and Imperfect competition - Coggle Diagram
Perfect and Imperfect competition
Characteristics
4 Market structures
Monopolistic competition
Marketing effects price control
Many firms
easy entry and exit
Some control over price
Differentiated products
Pure competition
large number of firms
no price competition
Easy entry and exit
no price control
standardized products
Monopoly
One firm
Unique products
Considerable control over price
Blocked entry and exit
Advertising main form of price control
Oligopoly
Great deal on price control
Few firms
Hard entry and exit
Price limited by inter dependence
Standardized products
Perfect
Purely competitive
elastic
horizontal line
price takers
Profit maximization
TR-TC approach
MC=ATC
MR-MC approach
MR=MC
Loss marginal cost
MR>min AVC
Short run supply
P> min AVC
Imperfect
Long run
Monopolistic
Allocative inefficiency
P> min ATC
Productive inefficiency
P> MC=ATC
Excess capacity
4-Firm concentration ratio
Herifindahl indel