The value of the y-coordinate of a point in a graph is the length of a line from the point to the

Euro-optimists believe the success of the euro to be the result of all of the following, EXCEPT:

A) more trade leads to more success for the euro. B) more countries are lining up to join the euro. C) more capital and labor mobility will take place under the euro. D) more scope for asymmetric shocks, rather than symmetric shocks.

Typically, the lower the level of income per person in a country, the lower the level of spending per person on health care. This relationship between income and spending indicates that health care is a

A) luxury. B) inferior good. C) necessity. D) normal good.