Answer:
(1). Greece has comparative advantage in wine while Austria has comparative advantage in jeans.
(2). Greece can gain from specialization as long as it gets more than 5 pair of jeans per bottle of wine.
Austria can gain from specialization as long as it gets more than 1/11 bottle of wine per pair of jeans.
(3). Trade is mutually beneficial as long as terms of trade lies in between opportunity costs in both countries.
Step-by-step explanation:
So, for the first gap in the question, it can be filled as follows;
(1). Greece has comparative advantage in wine while Austria has comparative advantage in jeans.
Reason: this is because of the lower opportunity cost in Greece for wine will make the country have a comparative advantage in wine.
(2). Greece can gain from specialization as long as it gets more than 5 pair of jeans per bottle of wine.
Austria can gain from specialization as long as it gets more than 1/11 bottle of wine per pair of jeans.
(3). Trade is mutually beneficial as long as terms of trade lies in between opportunity costs in both countries.
3 jeans < TOT < 11 jeans
So, the permissible terms of trade are:
Between 4 pairs of jeans to 10 pairs of jeans.