The principle of comparative advantage does not provide answers to certain questions. One of those questions is as follows:
A. Do specialization and trade benefit more than one party to a trade?
B. Is it absolute advantage or comparative advantage that really matters?
C. How are the gains from trade shared among the parties to a trade?
D. Is it possible for specialization and trade to increase total output of traded goods.
E. do opportunity costs pay a role in people's decisions to specialize in certain activities?