【单选题】The production function feature called constant returns to scale means that if we:
A.
multiply capital by z1 and labor by z2 , we multiply output by z3
B.
increase capital and labor by 10 percent each, we increase output by 10 percent.
C.
increase capital and labor by 5 percent each, we increase output by 10 percent.
D.
increase capital by 10 percent and increase labor by 5 percent, we increase output by 7.5 percent
【单选题】Assuming that technological progress increases the efficiency of labor at a constant rate is called:
A.
endogenous technological progress.
B.
the efficiency-wage model of economic growth.
C.
labor-augmenting technological progress.
D.
the Golden Rule model of economic growth.
【判断题】The practice of maintaining relatively constant dividends is called dividend smoothing.
【判断题】If the loading of the material is not constant but instead fluctuates, it is called static loading.
【单选题】患者女,58岁。既往有高血压史12年。本次因用力大便突发头痛、偏瘫4小时,伴呕吐2次。查体:血压185/100mmHg,左侧上、下肢肌力0级,肌张力低下,左侧偏身感觉减退。在治疗患者的过程中首要的措施是
【单选题】在一个由NPN型晶体管构成的放大电路中,关于晶体管三个电极的电位,下列说法正确的是( )。