The basic purpose of the other-things-equal assumption is to:
A. allow one to reason about the relationship between variables X and Y without the intrusion
of variable Z.
B. allow one to focus upon micro variables by ignoring macro variables.
C. allow one to focus upon macro variables by ignoring micro variables.
D. determine whether X causes Y or vice versa.
Answer: A
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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.
If suppliers of garbage collection services charged the full costs of providing the service, the supply curve would
a. change to a positive slope. b. change to a negative slope. c. shift to the left. d. shift to the right.