Accounting profit is the sum of a firm's revenue and its opportunity costs

A financial account surplus necessarily implies

A) a balance of payments surplus. B) a current account surplus. C) a current account deficit. D) an increase in the nation's official reserve assets.

As a competitive economy uses its stocks of a depletable resource,

a. the resource price will fall by ever greater amounts each year. b. the resource price will rise by ever greater amounts each year. c. the use of the resource will increase at an increasing rate. d. resource use will drop to zero.