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
To each according to his contribution as a system whereby the laborer receives the full product of his labor through the elimination of exploitation and accrual of unearned income to a capitalist class. The term means simply that each worker in a socialist society receives compensation and benefits according to the quantity and value of the labor that he or she contributed. This translates into workers of high productivity receiving more wages and benefits than workers of average productivity, and substantially more than workers of low productivity. An extension of this principle could also be made so that the more difficult one's job is—whether this difficulty