by self-interest.
B.Most people care so deeply about others that self-interest is a minor consideration in
their decision making.
C.The system is most efficient when people focus solely on their self-interest and allow
the invisible hand to work out what is best for society.
D.People are always self-interested to a degree, but their behavior is also affected by
moral and ethical considerations.
6) A firm hiring labor in a perfectly competitive labor market faces a:
A.downsloping labor supply curve and upsloping labor demand curve.
B.upsloping labor supply curve and downsloping labor demand curve.
C.upsloping labor supply curve and horizontal labor demand curve.
D.horizontal competitive wage curve and downsloping labor demand curve.
7) Which of the following terms best characterizes the demand for health care?
A.Price elastic
B.Price inelastic
C.Income inelastic
D.Negative cross elasticity
8) A firm can sell as much as it wants at a constant price. Demand is thus:
A.perfectly inelastic.
B.perfectly elastic.
C.relatively inelastic.
D.relatively elastic.
9) The number of Americans without health insurance (as of 2011) is approximately:
A.20 million, or about 7 percent of the population.
B.29 million, or about 10 percent of the population.
C.49 million, or about 16 percent of the population.
D.72 million, or about 25 percent of the population.