Laffer curve as provided by supply-side economics. Although the simplified Laffer curve is usually illustrated as a straightforward symmetrical and continuous bell-shaped curve, when in reality the bell-shaped curve may be skewed or lop-sided to either side of the 'maximum' shown in the simplified version of the Laffer curve. Within the reality of complex and sudden changes to tax policy over time, the response of tax revenue to tax rates may vary dramatically and is not necessarily even continuous over time, when for example new legislation is enacted which abruptly changes tax revue expectations. Laffer explains the model in terms of two
To each according to his contribution products for an equal amount of labor". Joseph Stalin and Leon Trotsky both mentioned the term in their works. To each according to his contribution "To each according to his contribution" is a principle of distribution considered to be one of the defining features of socialism. It refers to an arrangement whereby individual compensation is reflective of one's contribution to the social product (total output of the economy) in terms of effort, labor and productivity. This is held in contrast to the method of distribution and compensation in capitalism, where those who own private property receive unearned income in the