ECONOMICS (CBSE/UGC NET)

Detailed explanation-1: -Economic market structures can be grouped into four categories: perfect competition, monopolistic competition, oligopoly, and monopoly. The categories differ because of the following characteristics: The number of producers is many in perfect and monopolistic competition, few in oligopoly, and one in monopoly.

Detailed explanation-2: -Spam (unsolicited advertising).

Detailed explanation-3: -Economists have identified four types of competition-perfect competition, monopolistic competition, oligopoly, and monopoly.

Detailed explanation-4: -Monopoly It has no competitor, and it is the sole seller of products in the entire market.