The federal government is considering some fiscal policy alternatives. Will its choice between the following pairs of policy changes influence the level of aggregate demand, and if so how? 1) A...

The federal government is considering some fiscal policy alternatives. Will its choice between the following pairs of policy changes influence the level of aggregate demand, and if so how? 1) A reduction in military procurement of 100 versus a reduction in scientific research of 100. 2) A reduction in mass transit programs of 100 versus a tax increase of 100.