Some argue that an income tax is unfair because it taxes capital income twice: once when the original income is earned, and again when the investment… - Harvey S. Rosen

It may be worthwhile to spend a few million dollars to determine the efficacy of program that would involve spending billions of dollars.

A second justification for corporate taxation is that the corporation receives a number of special privileges from society, the most important of which is limited liability of the stockholders. The corporation tax can be viewed as a user fee for this benefit.

Public decision making is complicated and not well understood. Contrary to simple methods of democracy, there appear to be forces pulling government expenditures away from levels that would be preferred by the median voter.