s (please provide a brief explanation for your answers) 1. If a large country imposes an import quota, what happens to net national welfare and why? Briefly consider all possible cases. 2. Why might import-substituting industrialization be more successful in large developing countries than in smaller nations at similar levels of development? 3. Historically, what were some of the reasons for the decline in the import- substituting industrialization strategy in favor of a strategy that promotes open trade? 4. According to the empirical evidence discussed in class, does the relationship between a country's size and its economic performance depend on the country's openness to international trade? How and why? And does the effect of a country's openness on its economic performance depend on the country's size? How and why