作者:John Cooper 12 年以前
337
John Cooper Market Structures
John Cooper Market Structures
Oligopoly
Similarity of Products: Similar
Number of Producers: Few
Ease of Entry: Difficult
Market Failures
Positive Externiality
Negative Externiality
Perfect Competition
Similarity of Products: Identical
Number of Producers: High
Control Over Prices: None
Ease of Entry: Very Easy
Monopolistic Competition
Similarity of Products: Very Different
Number of Producers: Many
Control Over Prices: Some
Ease of Entry: Few barriers
Monopoly
Similarity of Products: Unique
Number of Producers: One
Control Over Prices: Substantial
Ease of Entry: Very Difficult