【单选题】According to www.oecd.org, the United States spends a larger portion of expenditures on higher education compared to any other country. Increasing the amount of higher education produces
A.
rightward shifts in the U.S. long-run aggregate supply curve
B.
. movements up along the U.S. aggregate demand curve
【单选题】Suppose the economy was initially in a long-run equilibrium. Then the world economy expands so that foreign incomes rise. U.S. aggregate demand ( ) and eventually the money wage rate ( ).