The impact of a tax reform on overall demand is greater when it is permanent as opposed to temporary. Thus, option B is correct.
Demand declines as a result of higher taxes, since customers have less money to spend. Because the government has less money to spend on roads due to lower taxes, trade is reduced.
Since lower taxes boost consumption, total spending, and income, while higher taxes decrease these factors, the tax multiplier has a negative sign.
As a result of the government being unable to hire as many people, lower taxes create unemployment.
Therefore, a permanent change in taxes has a greater effect on aggregate demand than a temporary change in taxes.
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