Subtracting government investment from government purchases gives us the amount of government

Since trash generation involves an externality, the way economists might address the problem of trash generation that is most likely to be optimal is by:

A. not allowing persons to throw away more trash than is acceptable as a maximum. B. having the government require mandatory sorting and recycling of trash. C. integrating the cost of the externality into the initial price of the good. D. having the cost of the externality be paid by the government.

Assume the current market price of candles is such that there is a surplus (i.e., excess supply). Which of the following best describes the adjustment process in a competitive market?

A. As the price decreases, the quantity demanded decreases while the quantity supplied increases. B. As the price increases, the quantity demanded decreases while the quantity supplied increases. C. As the price decreases, the quantity demanded increases while the quantity supplied decreases. D. As the price increases, the quantity demanded and the quantity supplied decrease.