Suppose the economy is experiencing an output gap of –3%. a. Select each response that indicates how monetary policy or fiscal policy can be used to raise actual output toward potential output. The government can increase its spending or reduce taxes, which will shift the IS curve to the right and increase GDP. The Fed can reduce the interest rate, which will shift the MP curve down and increase GDP. Firms can increase production, which will shift the IS curve to the right and increase GDP. The Fed can increase the interest rate, which will shift the MP curve up and reduce GDP. The government can increase taxes, which will shift the IS curve to the left and reduce GDP. b. The policies you identified in part a if used together, will cancel each other out, and the economy will remain in output gap of -3%. cannot be used together because each moves the economy in a different direction. can be used together to raise actual output toward potential output.