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1.1.0 |
For a consumption/saving problem with transitory and permanent shocks and unbounded (CRRA) utility, this paper derives conditions under which a nondegenerate solution exists, and under which a target wealth ratio exists; all results are paired with illustrative numerical solutions. |
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BufferStockTheory |
2020-10-11 |
This paper builds foundations for rigorous and intuitive understanding of 'buffer stock' saving models (Bewley (1977)-like models with a wealth target), pairing each theoretical result with quantitative illustrations. After describing conditions under which a consumption function exists, the paper articulates stricter Growth Impatience' conditions that guarantee alternative forms of stability --- either at the population level, or for individual consumers. Together, the numerical tools and analytical results constitute a comprehensive toolkit for understanding buffer stock models. |
1.0 |
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BufferStockTheory |
Theoretical Foundations of Buffer Stock Saving |
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2020-09-14 |
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"This paper builds foundations for rigorous and intuitive understanding of buffer stock' saving models (Bewley (1977)-like models with a wealth target), pairing each theoretical result with quantitative illustrations. After describing conditions under which a consumption function exists, the paper articulates stricter
Growth Impatience' conditions that guarantee alternative forms of stability --- either at the population level, or for individual consumers. Together, the numerical tools and analytical results constitute a comprehensive toolkit for understanding buffer stock models.