Political debates about the United States federal budget concentration of income at the top of the income distribution." In theory, the government collects no revenue at either zero or 100% tax rates. So there is some intermediate point at which government revenue is maximized. Lowering tax rates from 100% to this hypothetical rate that maximizes revenue would theoretically raise revenue, while continuing to lower tax rates below this rate would lower revenues. This concept underlies the Laffer Curve, an element of supply-side economics. Since the 1970s, some "supply side" economists have contended that lowering marginal tax rates could stimulate economic growth to such a degree that tax revenues
According to Jim sense for us". But on June 27, 2007, ABC renewed the show for a seventh season with 18 episodes. "According to Jim" returned to ABC's schedule on Tuesday January 1, 2008, with two episodes at 9 pm and 9:30 pm. After that, the series moved to its regular time slot at 8 pm. Despite the writer's strike, ABC announced that the show would produce all 18 episodes ordered for this season. On February 27, 2008, it was reported that ABC was close to renewing "According to Jim" for an eighth season. On May 13, 2008, ABC officially renewed the series