Chapter 12/The Design of the Tax System ❖ 219
If you earn $40,000 a year, then you pay federal income taxes in three parts: 10% on the
first $8,925 of income, 15% for additional income up to $36,425, and 25% for the remaining
+ ($3,575 0.25) = $892.50 + $4,125 + $893.75 = $5911.25. You also pay $40,000
0.153 = $6,120 in federal payroll taxes, and $40,000 0.04 = $1,600 in state income taxes.
Your total tax bill is $13,631.25. Your average tax rate is $13,631.25/$40,000 = 0.341 =
34.1%. Your marginal tax rate is 0.25 + 0.153 + 0.04 = 0.443 = 44.3%.
addition, because the demand for food and clothing is likely to be relatively inelastic, the
deadweight loss from a tax on these goods would be relatively small (when compared with a
tax on a good whose demand is relatively elastic).
gains.
b. Because capital gains are not realized and thus taxed until the investment is sold,
investors can avoid the tax by not selling the investment. When capital gains taxes are
lowered, even temporarily, the investor has an incentive to sell the investment while the
c It is inefficient to tax only realized capital gains because it distorts the incentives an
individual faces with regard to keeping or selling a particular asset. However, it may be
difficult to estimate the rise in the value of an asset prior to its sale.
8. The effect of the Tax Reform Act of 1986 on interest payments was to reduce consumer debt
9. a. The fact that visitors to many national parks pay an entrance fee is an example of the
benefits principle, because people are paying for the benefits they receive.
must pay more tax.