Laffer curve and possible differences in the incentive to work for different income groups complicate the task of estimation. The structure of the curve may also be changed by policy decisions. For example, if tax loopholes and tax shelters are made more readily available by legislation, the point at which revenue begins to decrease with increased taxation is likely to become lower. Laffer presented the curve as a pedagogical device to show that in some circumstances, a reduction in tax rates will actually increase government revenue and not need to be offset by decreased government spending or increased borrowing. For a reduction
To each according to his contribution to his needs". Lenin wrote "The State and Revolution" to answer all the burning questions of the movement, and to prevent Marxism from becoming tainted by "opportunists" and "reformists", as he called them. The work is very important as it categorizes the "first phase of communist society" as socialism, with the higher phase being communism proper. The pamphlet also answers all questions and concerns of the Marxists of his time by utilizing the classic works of Marxism. When he is set to describe socialism and its economic features he turns to the authority of Marx, especially the "Critique of the