The "sticky wage" theory states that …
a. wages may stay at above-equilibrium levels for an extended period of time, thus keeping unemployment low.
b. wages may stay at equilibrium levels for an extended period of time, thus keeping unemployment low.
c. wages may stay at above-equilibrium levels for an extended period of time, thus keeping unemployment high.
d. wages may stay at below-equilibrium levels for an extended period of time, thus keeping unemployment high.
e. wages may stay at below-equilibrium levels for an extended period of time, thus keeping unemployment low.