【单选题】In the short run, a cut in the federal funds rate
A.
raises other interest rates as people increase their saving.
B.
increases potential GDP.
C.
increases aggregate demand.
D.
decreases aggregate demand.
【单选题】In the short run, a rise in the federal funds rate shifts the
D.
None of the above because a decrease in the quantity of money does not shift a curve.
【单选题】马克思、恩格斯认为,在共产主义社会,由于社会生产力的巨大发展,“三大差别”归于消失,以下选项中不属于“三大差别”的是( )。
【单选题】In the short run, a monopolist:
A.
always earns an economic profit.
B.
never earns an economic profit.
C.
never earns an accounting profit.
D.
None of the above are correct.
【单选题】误差从来源划分可以分为三大类,以下不属于该类别的是