A ________ externality occurs when a market transaction affects others through market prices

During the antebellum period, rapid economic growth was accompanied by significant changes in public economics and policy-making

Indicate whether the statement is true or false

Monopolistic competition and perfect competition differ because

A) only monopolistically competitive firms will set MR = MC. B) only perfectly competitive firms will set MR = MC. C) only monopolistic competition allows for entry of other firms in the long run. D) only competitive firms take the price as given.