12) (consider this) the economic perspective used in customer decision making at
fast-food restaurants is reflected in:
a.customers selecting the shortest line.
b.decisions for which marginal costs exceed marginal benefits.
c.all customer lines tending to be of different length.
d.irrational purchasing of high-fat-content food.
13) with a downsloping demand curve and an upsloping supply curve for a product, an
increase in consumer income will:
a.increase equilibrium price and quantity if the product is a normal good.
b.decrease equilibrium price and quantity if the product is a normal good.
c.have no effect on equilibrium price and quantity.
d.reduce the quantity demanded, but not shift the demand curve.
14) Data on two individuals preferences for a public good are reflected in the table
below. PA and PB represent the prices individuals A and B, the only two people in the
society, are willing to pay for the last unit of a public good, rather than do without.
(a)Complete the table below showing the collective willingness to pay for the public
good in this society.
(b)Given the supply schedule for this public good as shown by the Qs column, what is
the optimal quantity of this public good and what is the optimal price?