A non-separable generalisation of the linear expenditure system allowing non-linear Engel curves |
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Authors: | Richard Blundell Ranjan Ray |
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Institution: | University of Manchester, Manchester M13 9PL, UK |
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Abstract: | This paper proposes and estimates a new generalisation of the LES that allows for both non-linear Engel curves and non-separable preferences. The empirical results decisively reject linear Engel curves on pooled cross section data and separable preferences on pure time series data. |
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