1a. Examine the effects of liberalizing import quotas on prices, quantities supplied, quantity demanded, and trade in both importers and exporters. Make an assumption about whether your countries can affect the world price.
1b.) Consider the case where a country imposes a complete ban on all trade (imports and exports). Examine the effect of this ban on the welfare +of that country.
Please i need good references and this course is international trade and competitiveness.