Answer it if you are 100% sure about all the questions and give proper explanation otherwise I'll downvote you.

1."The focus should not be on whether we should have trade, but how we can distribute gains from trade more equitably". Is this statement correct? Please explain.

2.Please explain the Rybczynski effect.

3.In the standard trade model, when the relative price of good A to good B increases, there are two effects. What are these two effects called? Explain briefly what they are.