ECONOMICS (CBSE/UGC NET)

Detailed explanation-1: -Answer and Explanation: Options A, B and C shift the short-run agrregate supply. Investment is not a factor that shifts aggregate short-run supply.

Detailed explanation-2: -Answer and Explanation: The aggregate supply curve is a function of the aggregate price level in the economy. Therefore, a change in the price level will only cause a movement along the aggregate supply curve but will not shift the aggregate supply curve.

Detailed explanation-3: -Along with energy prices, two other key inputs that may shift the SRAS curve are the cost of labor, or wages, and the cost of imported goods that are used as inputs for other products.

Detailed explanation-4: -A change in price will create a movement along the supply curve, known as a change in quantity supplied, but will not cause a shift in the supply curve.

Detailed explanation-5: -There is no effect on SRAS given the time lag associated with investment. SRAS only shifts when there is a change to the price of inputs or productivity.