Baseball cards are considered to be a normal good. This means that, as incomes rise, consumers are willing and able to purchase greater quantities of baseball cards. How would an increase in incomes be modeled in a graph of the supply and demand curves for baseball cards?

Question

a

The equilibrium point would move upward along the supply curve.
b

The equilibrium point would move downward along the supply curve.
c

The supply curve would shift to the right.
d

The supply curve would shift to the left.

Answer 1

a - The equilibrium point would move upward along the supply curve.