________: a government tax imposed on goods or products entering a country

In a perfectly competitive market, technological advances bring ________ economic profits for producers and ________ lower prices for consumers

A) permanent; permanently B) permanent; temporarily C) temporary; permanently D) temporary; temporarily

A 2% wage increase for teachers or police officers is:

a. usually offset by higher output per worker. b. leads to increases in municipal budgets. c. indicates that teachers and police have became more selfish. d. leads to more personalized service.