Two foreign nations decided to impose tariffs on imports from all countries. They set up a free trade area, removing all trade barriers between themselves but maintaining tariffs on imports from the rest of the world. Country A now begins to import sugar from Country B. Prior to this, Country A was producing sugar at a higher cost so it now benefits from this transaction. This is an example of

Consider the labor market for computer programmers. during the late 1990s, the value of the marginal product of all computer programmers increased dramatically. holding all else equal, what effect did this process have on the labor market for computer programmers? the equilibrium wagea. increased, and the equilibrium quantity of labor decreased. b. decreased, and the equilibrium quantity of labor increased. c. increased, and the equilibrium quantity of labor increased. d. decreased, and the equilibrium quantity of labor decreased.