Fill in the blanks to make the following statements correct.
a. Evaluating a tax system requires consideration of the following two aspects of taxation: ________ and ________.
b. Taxation usually causes allocative inefficiency because it distorts the equality between marginal ________ and marginal ________ of a given activity.
c. Economists refer to the revenue collected as ,i result of a tax as the ________ burden of taxation. Economists refer to other costs imposed on society because of the tax as the ________ burden of taxation.
d. An efficient tax system is one that collects a given amount of revenue while minimizing the amount of ________.
e. The Laffer curve suggests that above some tax rate. further increases in the tax rate will ________ tax revenue.