The "law" of diminishing returns asserts that marginal returns will ultimately diminish when the quantity of one input is increased

Monopolists are like perfectly competitive firms in that ______.

a. both maximize profits at the output level where marginal revenue equals marginal cost b. both could be earning either profits or losses in the short run c. both are in industries with downward-sloping demand curves d. all of these are true of both of them e. both maximize profits at the output level where marginal revenue equals marginal cost and both could be earning either profits or losses in the short run are true of both of them, but not both are in industries with downward-sloping demand curves

In the balance of payments accounts, a net importer of capital is a nation that

a. sells more goods in foreign countries than it imports b. buys more goods from foreign countries than it exports c. sells more assets to individuals in other countries than the assets it buys from them d. buys more assets from individuals in other countries than the assets it sells to them e. imports less machinery than it exports