Problem
A number of conservative politicians and economists advocate replacing the progressive income tax with a "flat tax" that would apply the same, low tax rate to all income above a certain exempt amount. One argument against making this change is that the distribution of income has grown much more unequal since the 1970s. Does the evidence support that view? Is it a decisive argument against a flat tax? How is the trade-off between equality and efficiency involved here?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.