If the tax rate is higher than t* in the Laffer curve below, then increasing taxes causes government revenue to decrease. Few dispute the underlying principle of the Laffer curve, but the debate centers on where to set the tax rate to obtain the maximum revenue. | If the tax rate is higher than t* in the Laffer curve below, then increasing taxes causes government revenue to decrease. Few dispute the underlying principle of the Laffer curve, but the debate centers on where to set the tax rate to obtain the maximum revenue. |