Everything else held constant, a decrease in the required reserve ratio on checkable deposits causes the M1 money multiplier to ________ and the money supply to ________

Suppose that the United States and Cuba decide to open up trade. If each country specializes in the good in which it has a comparative advantage, ________ will gain from that trade because ________

A) both countries; consumption possibilities in both Cuba and the United States will lie outside their PPFs. B) neither country; their consumption possibilities will not change. C) only the United States; consumption possibilities in Cuba will lie outside its PPF and U.S. consumption possibilities will not change. D) only Cuba; consumption possibilities in Cuba will lie outside its PPF and U.S. consumption possibilities will not change.

Because new plastic and recycled plastic are substitutes, as the price of newly produced plastic increases,

A) the demand curve for recycled plastic shifts to the left. B) there is a movement up along the demand curve for recycled plastic. C) there is a movement down along the demand curve for recycled plastic. D) the demand curve for recycled plastic shifts to the right.