Econ 4th edition (marketstructures) detennine whether each of the

(Market Structures) 

Determine whether each of the following is a characteristic of perfect competition, monopolistic competition. oligopoly. and/or monopoly: 

 a. A large number of sellers 

 b. Product is a commodity 

 c. Advertising by fir ms 

 d. Barriers to entry 

 e. Firms are price makers