Select all that apply From the following list, select all the options that apply to how a tax change affects the economy. Multiple select question. The initial effect on spending caused by a tax change is smaller than the initial effect of an equal change in government purchases. The initial effect on spending caused by a tax change is multiplied by the spending multiplier to find the overall change in aggregate demand. The initial effect on spending caused by a tax change is found by multiplying the amount of the tax change by the MPC. The effect of a tax change is the same as an change in government purchases, except that the two changes cause output to move in opposite directions