6) If investment increases by $10 billion and the economy’s MPC is .8, the aggregate
demand curve will shift:
A.leftward by $50 billion at each price level.
B.rightward by $10 billion at each price level.
C.rightward by $50 billion at each price level.
D.leftward by $40 billion at each price level.
7) The kinked-demand schedule that an oligopolist believes confronts the firm is given
in the table below. Compute the oligopolists total revenue at each of the nine prices, and
enter these figures in the table. Also compute marginal revenue for each unit between
the nine prices and enter these figures in the table.
(a)Where is the kink in the demand curve? What is the current selling price at that kink
and how much output will be demanded?
(b)What is the range of marginal cost that will keep the price set at the kink?
8) Suppose the courts declare that XYZ Corporation violated the antitrust laws and as a
result the ABC Corporation lost $100 million of profits. XYZ Corporation will have to
pay ABC Corporation a monetary award of:
A.$100 million.
B.$33.3 million.
C.$150 million.
D.$300 million.
9) According to mainstream macroeconomists, U.S. macro instability has resulted from:
A.investment “booms” and “busts” and, occasionally, adverse aggregate supply shocks.
B.adherence by the Fed to a monetary rule.
C.government’s attempts to balance its budget.
D.wide fluctuations in net exports.