The IT industry in developing so rapidly that almot nything_____ is written about it wil
A. as
B. which
C. that
D. what
A. as
B. which
C. that
D. what
A.a
B.b
C.c
D.d
E.e
Because Industry X is characterized by perfect competition, every firm in the industry is earning zero economic profit. If the product price falls, no firm can survive. Do you agree or disagree? Discuss
函数至少在取a、b、c、d四个参数值时与U形平均成本曲线相一致。
Suppose the long - run total cost function for an industry is given by the cubic equation TC =a+bq+cq2+dq3. Show (using calculus ) that this total cost function is consistent with a U - shaped average cost curve for at least some values of a, b, c, d.
To encourage an industry to produce at the socially optimal level, the government should impose a unit tax on output equal to the marginal cost of production. True or false? Explain.
A.500-600kcal/d
B.400-500kcal/d
C.300-400kcal/d
D.200-300kcal/d
E.600kcal/d以上