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An approximate consumption function

机译:近似消耗函数

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This paper proposes an approximation to the consumption function. The approximation is based on the analytic properties of the consumption function in the buffer-stock model. In such model, the consumption function is increasing and concave and its derivative is bounded from above and below. We compare the approximation with the consumption function obtained using the endogenous grid-points algorithm and show that using the former or the latter for estimating the Euler equation leads to very similar results.
机译:本文提出了消费函数的近似值。近似基于缓冲库存模型中消耗函数的解析特性。在这种模型中,消费函数在增加和凹入,并且其导数从上到下都有界。我们将近似值与使用内生网格点算法获得的消耗函数进行比较,并表明使用前者或后者估计欧拉方程会得出非常相似的结果。

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