The production possibilities frontier represents all desirable combinations of two goods

Speculators believing cocoa prices are going to be higher next year will

A) buy cocoa futures, cause the expected future price of cocoa to fall, and induce some additional cocoa to be stored for future consumption. B) buy cocoa futures, cause the expected future price of cocoa to rise, and induce some additional cocoa to be stored for future consumption. C) sell cocoa futures, cause the expected future price of cocoa to fall, and induce some additional cocoa to be stored for future consumption. D) sell cocoa futures, cause the expected future price of cocoa to rise, and induce some additional cocoa to be stored for future consumption. E) sell cocoa futures, cause the expected future price of cocoa to fall, and induce greater current consumption of cocoa.

For "an increase in the quantity demanded" but not "an increase in demand" to occur, there must be a

A) rightward shift of the demand curve. B) movement along the demand curve. C) rightward shift of the demand curve and a movement along the demand curve. D) Both answers B and C are correct.