【单选题】函数 在 上单调增加,则 应满足( )
【单选题】A(n) _____ helps domestic producers to compete against foreign imports.
【简答题】设f,g是定义在R上的严格单调增加函数,则下列函数是R上严格增加函数的是:A. B. C. D.
【单选题】投资的未来现金流现值除以投资的初始成本称为( )。
【单选题】Foreign producers typically agree to voluntary export restrictions because:
A.
their manufacturing capacity is limited.
B.
they can divert their exports to other countries and charge more for their products.
C.
they fear far more damaging punitive tariffs or import quotas might follow if they do not.
D.
they are required to by the World Trade Organization.