Suppose that you prefer reading a book you already own to watching videos and that you prefer watching videos to listening to music. If these are your only three choices, what is the opportunity cost of reading?

The Leontief Paradox

A) failed to support the validity of the Heckscher-Ohlin model. B) supported the validity of the Ricardian theory of comparative advantage. C) supported the validity of the Heckscher-Ohlin model. D) failed to support the validity of the Ricardian theory. E) proved that the U.S. economy is different from all others.

How have some patients been harmed by Medicare reimbursement caps?

A) They have been discharged from the hospital too soon, so that the hospital can cut costs. B) They have been kept in the hospital too long, so that the hospital can get a higher reimbursement amount. C) They have had to undergo unnecessary procedures, so that the hospital can get a higher reimbursement amount. D) They have had to wait too long for essential procedures.