试着做做下面四道题 答案发我qq1534147446
有80道题需要做，每1小时20道题的量，报酬还不错
Which of the following must occur to sustain economic growth in the long run?
a higher saving rate
technological progress
capital accumulation
all of the above

Suppose there are two countries that are identical with the following exception.  The saving rate in country A is greater than the saving rate in country B.  Given this information, we know that in the long run
economic growth will be higher in A and B
output per capita will be higher in B than A
output per capita will be greater in A than B
More information is needed to answer the question

We know that output per worker (Y/N) will increase when which of the following occurs?
an increase in K
an increase in the saving rate
an increase in K/N
all of the above

An increase in the saving rate will not affect which of the following variables in the long run?
the growth rate of output per worker
capital per worker
output per worker
the amount of capital in the economy
none of the above

有80道题需要做，每1小时20道题的量
--
FROM 222.223.8.*