An efficient economy is one that
a. has very few people who do not work for a living.
b. makes the best use of all its goods and services.
c. uses its resources to make the most goods and services.
d. makes the least costly use of its resources.

You think all professors are uncoordinated, but then you see your social psychology professor make a diving catch down the left-field line at an intramural softball game against the arts department team. you also notice that your professor hits lead-off for the team and is able to score from second base on a ground-out. you maintain your original stereotype of professors as uncoordinated by deciding that this one individual is an exception to the rule because he is a “young professor.” this is an example of