Precautionary Wealth Accumulation
研究在多期模型中，当收入风险增加时，个人预期财富积累曲线何时上升，给出了基于储蓄决策规则或偏好性质的充分条件。
When does an individual's expected wealth accumulation profile increase as earnings risk increases? This paper answers this question for multi-period models where earnings shocks are independent over time. Sufficient conditions are stated in terms of properties of a decision rule for savings and, alternatively, in terms of properties of preferences. Copyright 2004, Wiley-Blackwell.