which of the following shifts the short-run aggregate supply curve right? question 4 options: (a) an increase in the expected price level, but not (b) an increase in the price level greater than expected. both (a) an increase in the price level greater than expected and (b) an increase in the expected price level. (a) a decrease in the price level less than expected and (b) an increase in the expected price level. (a) an increase in the price level greater than expected, but not (b) an increase in the expected price level.