【单选题】If money is neutral
A.
an increase in the money supply does nothing.
B.
a change in the money supply only affects real variables such as real output.
C.
a change in the money supply reduces velocity proportionately; therefore there is no effect on either prices or real output
D.
a change in the money supply only affects nominal variables such as prices and wages.
【单选题】650型钢轧机中“650”指的是轧辊的( )为650mm。
【单选题】If money is neutral and velocity is stable, an increase in the money supply creates a proportional increase in
D.
both the price level and nominal output.
【多选题】根据赵周贤所长所讲,如何全面提高党的建设科学化水平?
C.
牢牢把握加强党的执政能力建设、先进性建设和纯洁性建设这条主线
D.
增强自我净化、自我完善、自我革新、自我提高能力
【单选题】以下关于Java关键字的说法中,哪一项是错误的?
A.
在集成开发环境(如Eclipse)中编辑代码时,关键字会显示不同的颜色以区别其他代码。
【多选题】在一个计量经济模型中可作为解释变量的有( )。
【简答题】Let the stationary random process X(t) be bandlimited to [−ω c ,+ω c ] where ωc is a positive real number. Then define Y (t) as the output of an ideal lowpass filter with passband [−ω 1 ,+ω 1 ] and in...
【单选题】Desired national saving would increase unambiguously if there were
A.
an increase in both current output and expected future output.
B.
an increase in both expected future output and government purchases.
C.
an increase in both expected future output and the expected real interest rate.
D.
a fall in both government purchases and expected future output.
【单选题】If an economy is currently in short-run equilibrium where the level of real GDP is greater than potential output, then in the long run, one will find:
A.
nominal wages will rise and the SRAS curve will shift left bringing the economy back to its potential real GDP.
B.
nominal wages will rise shifting the AD curve to the right and restoring real GDP to its potential level.
C.
nominal wages will fall and the SRAS curve will shift right bringing the economy back to its potential real GDP.
D.
nominal wages will fall shifting the AD curve to the left and bringing the economy back to its potential real GDP.