Investment spending is lower when interest rates are higher.

The marginal benefit is the

A) additional gain from one more unit of an activity. B) additional cost from one more unit of an activity. C) loss of the highest-valued alternative. D) additional gain from one more unit of an activity minus the additional cost from one more unit of the activity.

Assuming that beer is a normal good, what will happen to the demand for beer near college towns if student income increased?

a. Demand will fall because students love these beers b. Demand will fall c. Demand will rise d. Supply would rise