Which aggregate measure is used to determine whether or not a country is experiencing a recession?

The above figure shows the production possibility frontier for a country. What is the opportunity cost per ton of rice to move from point B to point D?

A) 500 bottles of wine B) 2 bottles of wine C) 1/2 of a bottle of wine D) 1000 bottles of wine E) None of the above answers is correct.

Consider a small open economy that is in equilibrium with a current account surplus

(a) Draw a diagram showing this situation. (b) Now suppose that future income increases. Show what happens in your diagram. What happens to the world real interest rate and the equilibrium quantities of saving, investment, and the current account balance? (c) Repeat parts (a) and (b) for the case of a large open economy, showing a situation in which the home country initially has a current account surplus. Draw a diagram and describe how the rise in future income in the home country affects all four variables (the world real interest rate and the equilibrium quantities of saving, investment, and the current account balance) in both countries.