Laffer curve New Palgrave Dictionary of Economics reports that a comparison of academic studies yields a range of revenue maximizing rates that centers around 70%. In the early 1980s, Edgar L. Feige and Robert T. McGee developed a macroeconomic model from which they derived a Laffer Curve. According to the model, the shape and position of the Laffer Curve depend upon the strength of supply side effects, the progressivity of the tax system and the size of the unobserved economy. Economist Paul Pecorino presented a model in 1995 that predicted the peak of the Laffer curve occurred at tax rates around 65%.
To each according to his contribution the amount of labor contributed increases. However capitalism can lead to a situation where the means of production are owned by a small minority who do not produce, but rather live off the labor of others. Socialism is said to remedy this by putting the means of production in common hands and rewarding individuals according to their contributions. In the "Critique of the Gotha Programme", while criticizing Lassalle's ideas, Marx elaborates on the theory. According to Marx's analysis of the Programme, Lassalle suggests that "the proceeds of labor belong undiminished with equal right to all members of society". While agreeing