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The interest elasticity of household savings: a structural approach with German micro data

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Abstract

This paper empirically investigates the effects of changes in the interest rate as well as in the current and expected future consumer price levels on households’ consumption–savings decision. In a structural demand model applied to German consumption data, we use cross-sectional and longitudinal variation in prices and tax rates to construct individual after-tax interest rates and cluster-specific consumer prices. We find that the compensated own-price elasticities for savings as well as consumption are significantly negative, while the theoretical model implications of homogeneity and symmetry must be rejected. Importantly, we estimate the uncompensated interest rate elasticity of savings, in line with the literature, at around zero. Some heterogeneity in this elasticity is found along the savings and wealth distribution. We conclude that short-term policy-induced variation of net returns to savings is expected to have no significant effects on the level of compound savings.

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  1. Department of Public Economics, German Institute for Economic Research (DIW Berlin), Mohrenstraße 58, 10117, Berlin, Germany

    Martin Beznoska & Richard Ochmann

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  1. Martin Beznoska
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  2. Richard Ochmann
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Correspondence to Richard Ochmann.

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Beznoska, M., Ochmann, R. The interest elasticity of household savings: a structural approach with German micro data. Empir Econ 45, 371–399 (2013). https://doi.org/10.1007/s00181-012-0626-9

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  • DOI: https://doi.org/10.1007/s00181-012-0626-9

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