E) trended higher; trended lower
Along the short-run Phillips curve, if the actual unemployment rate falls below the
natural unemployment rate, the
A) actual inflation rate will be equal to the expected inflation rate.
B) actual inflation rate will be greater than the expected inflation rate.
C) actual inflation rate will be less than the expected inflation rate.
D) actual inflation rate may be greater than, equal to, or less than the expected inflation
rate
E) expected inflation rate will fall to zero.
If the cross elasticity of demand between peanut butter and jelly is negative, then
A) a rise in the price of peanut butter results in a rise in the equilibrium price of jelly.
B) a rise in the price of peanut butter results in a fall in the equilibrium price of jelly.
C) a rise in the price of peanut butter has no effect on the equilibrium price of jelly.
D) a fall in the price of peanut butter results in a fall in the equilibrium price of jelly.