The labour market in MankiwVille is always in equilibrium. Unfortunately, there has been a fall in productivity in MankiwVille. You would thus expect Select one: O a. the real wage to be lower than before the fall in productivity. Furthermore, you would expect to see an increase in unemployment. O b. the real wage to be lower than before the fall in productivity. However, there would be no change in unemployment. O c. the real wage to be lower than before the fall in productivity. Furthermore, you would expect to see a decrease in unemployment. O d. the real wage to remain unchanged. Furthermore, there would be no change in unemployment