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La utilización de precios implícitos o de pseudo precios implícitos en la estimación de un sistema de demandas QUAIDS para alimentos

  • Berges, Miriam
  • Pace Guerrero, Ignacio
  • Echeverría, Lucía
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    El objetivo del trabajo es comparar las estimaciones de un sistema de demanda de alimentos QUAIDS obtenidas empleando dos conjuntos de precios alternativos e información de corte transversal. Se estiman los valores unitarios o precios implícitos ajustados por calidad y los pseudo precios implícitos. La metodología para el cálculo de estos últimos emplea información de gastos de los hogares, sin datos de cantidades. Los resultados muestran diferencias en las magnitudes y signos de los parámetros estimados por el sistema bajo ambas propuestas. Las elasticidades precio, propias y cruzadas, obtenidas con los precios ajustados por calidad arrojan valores más parecidos a los esperables en el caso de alimentos. La diferencia en términos de elasticidades gasto es bastante menor.

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    File URL: http://nulan.mdp.edu.ar/1675/
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    Paper provided by Centro de Documentación, Facultad de Ciencias Económicas y Sociales, Universidad Nacional de Mar del Plata in its series Nülan. Deposited Documents with number 1675.

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    Date of creation: Nov 2012
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    Handle: RePEc:nmp:nuland:1675
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    Web page: http://eco.mdp.edu.ar
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    1. D. Coondoo & A. Majumder & R. Ray, 2001. "On a Method of Calculating Regional Price Differentials with Illustrative Evidence from India," ASARC Working Papers 2001-06, The Australian National University, Australia South Asia Research Centre.
    2. Deaton, Angus, 1987. "Estimation of own- and cross-price elasticities from household survey data," Journal of Econometrics, Elsevier, vol. 36(1-2), pages 7-30.
    3. Lahatte, Agenor & Miquel, Ruth & Laisney, Francois & Preston, Ian, 1998. "Demand systems with unit values:: A comparison of two specifications," Economics Letters, Elsevier, vol. 58(3), pages 281-290, March.
    4. Hoderlein, Stefan & Mihaleva, Sonya, 2008. "Increasing the price variation in a repeated cross section," Journal of Econometrics, Elsevier, vol. 147(2), pages 316-325, December.
    5. J. Scott Shonkwiler & Steven T. Yen, 1999. "Two-Step Estimation of a Censored System of Equations," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 81(4), pages 972-982.
    6. John K. Dagsvik & Leif Brubakk, 1998. "Price Indexes for Elementary Aggregates Derived from Behavioral Assumptions," Discussion Papers 234, Statistics Norway, Research Department.
    7. Coondoo, D. & Majumder, A. & Ray, E,, 2001. "On the Method of Calculating Regional Prices Differentials with Illustrative Evidence from India," Papers 2001-09, Tasmania - Department of Economics.
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