Answer:
sticky in both an upward and downward direction
Explanation:
nominal wages are wages been earned per hour or as agreed between the worker and the employer. it is seen as means of compensating the worker. it is called nominal wage because the effects of deflation ( downward direction of prices in the market ) and inflation ( upward direction of prices in the market) does not affect the Nominal wages of an employee hence it is sticky in both an upward and downward direction of price movement in the market.
unlike the real wages where the factors of inflation and deflation has an effect on it by either decreasing or increasing the purchasing power of the real wage.