An increase in the demand for good A will increase the equilibrium quantity of good A and leave the equilibrium price unchanged if

Part 2
A.
the supply curve is horizontal.
B.
the supply curve is vertical and the demand curve has a​ non-zero positive slope.
C.
the supply curve has a​ non-zero negative slope and the demand curve is vertical.
D.
the demand curve is downward sloping.
E.
both the supply and demand curves have a​ non-zero slope.

1 answer

E. both the supply and demand curves have a non-zero slope.