Suppose that a good that was formerly an import becomes an export, perhaps after an import ...

Suppose that a good that was formerly an import becomes an export, perhaps after an import substitution and export promotion strategy. How is this change reflected in the production possibility frontier?
 
  What will be an ideal response?

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Question 2 - Conditions of today's developed countries at the start of their industrialization differ from conditions in the developing world in that
 
  a. population growth rates were higher.
  b. more advanced technology was available.
  c. there were more opportunities for development assistance.
  d. none of the above.

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Question 3 - Many economies have seemed to get by even in the face of inflation rates in the thousands. How would you nevertheless explain the fundamental harm done by high inflation?
 
  What will be an ideal response?