14) When the indifference curve is tangent to the budget constraint,
a.a consumer cannot be made better off without an increase in her income or a price
decrease in one of the goods she consumes.
b.the consumer is likely to be at a sub-optimal level of consumption.
c.income is at its optimum for a consumer.
d.indifference curves are likely to intersect.
15) Which of the following industries has the lowest concentration ratio?
a.breakfast cereal
b.electric lamp bulbs
c.household laundry equipment
d.cigarettes
16) Jobs that involve pleasant work, as opposed to jobs that involve unpleasant work,
usually pay
a.higher wages, because jobs that involve pleasant work typically require more
education than do jobs that involve unpleasant work.
b.higher wages, because jobs that involve pleasant work typically require more
well-developed personality skills than do jobs that involve unpleasant work.
c.lower wages, because workers typically are not attracted to jobs that involve
unpleasant work unless there is a monetary inducement.
d.lower wages, because workers who take jobs that involve unpleasant work typically
stay in those jobs for relatively long periods of time and accumulate significant
experience.