Laffer curve in tax rates to increase revenue, the current tax rate would need to be higher than the revenue maximizing rate. In 2007, Laffer said that the curve should not be the sole basis for raising or lowering taxes. Supply-siders argue that in a high tax rate environment, lowering tax rates would result in either increased revenues or smaller revenue losses than one would expect relying on only static estimates of the previous tax base. This led supply-siders to advocate large reductions in marginal income and capital gains tax rates to encourage greater investment, which would produce more supply. Jude Wanniski
To each according to his contribution that the citizens of a workers' society should be rewarded according to individual contributions, Marx claims that giving them the "full product" of their labor is impossible as some of the proceeds will be needed to maintain infrastructure and so forth. He then explains the nature of a communist society in its lower phase ("socialist society"), which does not emerge from its own foundations "but, on the contrary, just as it emerges from capitalist society; which is thus in every respect, economically, morally, and intellectually, still stamped with the birthmarks of the old society from whose womb it emerges". And