A.该理论用创新来解释繁荣和衰退
B. 该理论属于内生经济周期理论
C. 该理论源于著名经济学家熊彼特
D. 该理论认为,重大技术创新引起的经济周期会比较短
司机可以边开车边听音乐,能够解释这种现象的最恰当的理论是()
A.衰减理论
B.过滤器理论
C.反应选择理论
D.认知资源理论
There is substantial inequality of wage levels between regions within the United States.For example,wages of manufacturing workers in equivalent jobs are about 20 percent lower in the Southeast than they are in the Far West.Which of the explanations of failure of factor price equalization might.account for this? How is this case different from the divergence of wages between the United States and Mexico(which is geographically closer to both the U.S. Southeast.and the Far West than the South-east and Far West are to each other)?