If a demand curve for a good were completely vertical, it would be considered:

The mirror image of the marginal cost curve is the

Price elasticities of supply are always:

To raise the most tax revenue, governments should tax which of the following goods?

When quantity supplied equals quantity demanded, there is:

If Congress decides to reduce the tax per pack paid by sellers of cigarettes, other things being equal, the price of cigarettes will fall. This fall in prices can be attributed to a(n):

The principle of diminishing marginal utility says that:

An increase in the quantity supplied of a good is most often due to:

Utility theory assumes that marginal utility:

On Thanksgiving, Michael’s mother gives him a huge platter of food. If Michael were to keep eating just to please his mother (even when he really wanted to stop), his marginal utility would be: