Answer:
Step-by-step explanation:
a. If poor nations offered better production efficiency and legal protections, then the marginal product of capital would rise. To increase the amount of capital that they have, firms need to increase the amount of investment. Hence, their investment demand curve shifts out at any given interest rate, firms have a higher level of investment spending than they did previously.
b. Assuming that together, the poor nations account for a noticeable share of world demand for investment, the demand for loanable funds in world financial markets rises.
c. In global financial markets, the increase in demand for loanable funds raises the interest rate.
d. For rich countries, the increase in global interest rates reduces desired investment. Hence, S - I(r) rises, which means that the trade balance rises