The opportunity cost of producing in low-income, developing countries rises over the product cycle, according to theory

Economists generally assume

A) individuals act strictly in the public interest. B) individuals are never concerned with the interests of other people. C) individuals rarely promote the projects in which they are interested. D) none of the above.

If the quantity of money demanded exceeds the quantity supplied:

A. the supply-of-money curve will shift to the left. B. the demand-for-money curve will shift to the right. C. the interest rate will rise. D. the interest rate will fall.