Une excellente lecture suggeree par Mr. Tibirna: Numbers and common sense.
Un fait interessant que j’ignorais:
It is worth noting, however, that throughout the 1950’s–a decade for which American conservatives pretend to feel a harrowing sense of nostalgia–the marginal tax rate for the wealthy was over 90 percent. In fact, prior to the 1980’s it never dipped below 70 percent. Since 1982, however, it has come down by half.