the stock market boom of 2015 imagine that in 2015 the economy is in long-run equilibrium. then stock prices rise more than expected and stay high for some time. refer to stock market boom 2015. in the short run what happens to the price level and real gdp? group of answer choices both the price level and real gdp rise. both the price level and real gdp fall. the price level rises and real gdp falls. the price level falls and real gdp rises.