Which of these curves is the competitive firm's short-run supply curve? a. the average variable cost curve above marginal cost b. the average total cost curve above marginal cost c. the marginal cost curve above average variable cost d. the average fixed cost curve

Which of the following best explains the purpose of protectionist trade policies such as tariffs and subsidies? a. they make sure that governments have enough money to pay for fiscal policies. b. they give foreign competitors access to new markets around the world. c. they allow producers to sell their products more cheaply than foreign competitors. d. they enable producers to purchase productive resources from everywhere in the world.