Which of the following are the assumptions for a small open economy?1.There are no restrictions to international trade in goods and services.2.National income and taxes determine the level of consumption.3.Supplies of the production factors are fixed.4.Investors are indifferent between domestic and financial assets.5.No restrictions to international capital flows.A.1，2，3。4B.1，2，3，5C.1，2，4，5D.1，3，4，5E.1，2，3，4，5
Question
Which of the following are the assumptions for a small open economy?1.There are no restrictions to international trade in goods and services.2.National income and taxes determine the level of consumption.3.Supplies of the production factors are fixed.4.Investors are indifferent between domestic and financial assets.5.No restrictions to international capital flows.A.1，2，3。4B.1，2，3，5C.1，2，4，5D.1，3，4，5E.1，2，3，4，5
Solution
The assumptions for a small open economy are:
- There are no restrictions to international trade in goods and services.
- National income and taxes do not necessarily determine the level of consumption. In a small open economy, consumption can be more than income because it can borrow from the rest of the world. So, this is not a necessary assumption.
- Supplies of the production factors are fixed. This is a common assumption in many economic models, not just for small open economies.
- Investors are indifferent between domestic and financial assets. This is not necessarily true. In a small open economy, investors may prefer foreign assets if they offer a higher return. So, this is not a necessary assumption.
- No restrictions to international capital flows. This is a key assumption for a small open economy. It allows the economy to borrow or lend in the international capital market.
So, the correct answer is D. 1, 3, 5.
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