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| HAL: hal-00176109, version 1 |
| arXiv: 0710.0559 |
| DOI: 10.1198/073500104000000587 |
| Detailed view |  Export this paper |
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| Journal of Business & Economic Statistics 23, 2 (2005) 242-253 |
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| Panel and Pseudo-Panel Estimation of Cross-Sectional and Time Series Elasticities of Food Consumption: The Case of American and Polish Data |
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| François Gardes 1Greg Duncan 2 |
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| (2005-04) |
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| The problem addressed in this article is the bias to income and expenditure elasticities estimated on pseudo-panel data caused by measurement error and unobserved heterogeneity. We gauge empirically these biases by comparing cross-sectional, pseudo-panel and true panel data from both Polish and American expenditure surveys. Our results suggest that unobserved heterogeneity imparts a downward bias to cross-section estimates of income elasticities of at-home food expenditures and an upward bias to estimates of income elasticities of away-from-home food expenditures. "Within" and first-difference estimators suffer less bias, but only if the effects of measurement error are accounted for with instrumental variables. |
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| 1: | CEntre de Recherche en Mathématiques, Statistique et Économie Mathématique (CERMSEM) |
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CNRS : UMR8095 – Université Paris I - Panthéon-Sorbonne |
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| 2: | Northwestern U. |
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Northwestern University |
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| 3: | Statistique Appliquée et MOdélisation Stochastique (SAMOS) |
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Université Paris I - Panthéon-Sorbonne |
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| 4: | Département et Laboratoire d'Economie Théorique et Appliquée (DELTA) |
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CNRS : UMR8545 – Ecole normale supérieure de Paris - ENS Paris – École des Hautes Études en Sciences Sociales [EHESS] |
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| 5: | Théories et Applications en Microéconomie et Macroéconomie (TEAM) |
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CNRS : UMR8059 – Université Paris I - Panthéon-Sorbonne |
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| Subject | : | Humanities and Social Sciences/Economies and finances Mathematics/Statistics |
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| individual and grouped data – unobserved heterogeneity – AIDS model |
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| hal-00176109, version 1 | |
| http://hal.archives-ouvertes.fr/hal-00176109 | |
| oai:hal.archives-ouvertes.fr:hal-00176109 | |
| From: Patrice Gaubert | |
| Submitted on: Tuesday, 2 October 2007 15:06:24 | |
| Updated on: Wednesday, 3 October 2007 15:01:56 | |
