DragIT - Tax revenue
The following interaction illustrates the effects of a change in tax rates on the revenue received by the government. Remember that the effect of a tax is to shift the supply curve upwards by the amount of the tax per unit.
Click on the "S2" label and drag the supply curve S2 to the left and back to see the impact of a change in the level of taxation on the tax revenue.
As the tax per unit rises the equilibrium quantity will fall.