Background: Capital Income, Wealth, and Saving Behavior.

背景：资本利得，财富，及储蓄行为。

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Econometric studies of saving behavior have foundered on both conceptual and practical difficulties.

储蓄行为的经济计量研究，不论在理论上还是实践中，都遇到了很多困难。

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Weather the income tax influence on saving behavior is positive or negative depends on the net effect of income effect and substitute effect resulted by the tax saving.

所得税对储蓄行为的影响是积极的还是消极的，取决于税收储蓄的收入效应与替代效应的相对大小。

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