The concept of commodity or net barter terms of trade has been used by economists to measure

The gains from international trade

The concept of commodity or net barter terms of trade has been used by

1.	The concept of commodity or net barter terms of trade has been used by economists to measure
A.	The gains from domestic trade
B.	The gains from internal trade
C.	The gains from international trade
D.	The gains from prices
Answer» D. The gains from prices