If marginal utility is positive, then total utility is:

This month Jones bought $10 of fresh hops for making home-brewed lager. In principle, what happens to GDP?

A) Nothing, because it involves the production of homemade beer. B) Nothing, because the hops are an intermediate good. C) GDP increases by $10. D) GDP increases by $10 as long as Jones is satisfied with the final product.

Which of the following would cause an increase in the market supply of mountain bikes?

A) a decrease in the demand for mountain bikes B) an increase in taxes levied on mountain bike manufacturers C) an increase in the cost of components used to assemble mountain bikes D) an increase in the number of firms making mountain bikes