a)
Since aij represents the amount of input i required per unit of output j,
0.33 represents the amount of input 2 required per unit of output 1.
0 represents the amount of input 3 required per unit of output 3.
200 represents the amount needed to export for commodity 3.
b)
The 3rd column sum represents the total inputs needed for the production of output 3.
c)
The 3rd row sum represents the the total output of sector 3.
d)
The IO matrix equation is
您好！这道题目内容还蛮多的。您这边愿意的话，不知可以满足之前的增费请求吗？多谢
