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Impacto del nivel de educación y de la preocupación por la salud sobre la demanda de carnes en España

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Author Info

  • M. BEN KAABIA

    (Departamento de Análisis Económico. Universidad de Zaragoza)

  • J.M. GIL

    ()
    (Unidad de Economía Agraria, Servicio de Investigación Agroalimentaria. Diputación General de Aragón. Departamento de Análisis Económico. Universidad de Zaragoza.)

  • ANA Mª AGUDO

    (Departamento de Análisis Económico. Universidad de Zaragoza)

Abstract

La creciente difusión de toda una serie de trabajos médicos que relacionan dieta y salud, bien sea a través de los medios de comunicación, bien a través de las visitas a médicos y especialistas en nutrición, está modificando las tendencias existentes en el consumo de determinados alimentos. El objetivo de este trabajo se centra en evaluar el posible impacto que dicha información está ejerciendo sobre la demanda de carnes en España. A tal fin, se ha especificado un modelo AIDS en el que el término independiente se ha modificado incorporando un “índice de información sobre la salud”. Asimismo, se ha considerado la posible influencia que puede ejercer el nivel de educación del cabeza de familia, por lo que se ha estimado un modelo diferente según si el cabeza de familia posee estudios primarios, secundarios o superiores. Desde el punto de vista metodológico se presta atención a las propiedades estocásticas de las series. En este sentido, los resultados indican que para los tres niveles de educación los precios no son estacionarios mientras que el resto de las series sí lo son, proponiéndose una estrategia adecuada para tratar este problema. A partir de los modelos estimados se han calculado las correspondientes elasticidades, incluida la elasticidad de la preocupación por la salud. Los resultados indican que dicha elasticidad es significativa para la mayor parte de los productos independientemente del nivel de educación. La preocupación por la salud ha ejercido una influencia negativa sobre las carnes rojas mientras que ha sido positiva en el caso del pescado. The increasing medical literature dealing with the relationship between health and food diet, made available to the general public through mass media or visits to nutrition specialist, is changing food consumption trends. The aim of this paper is to analyse the potential influence of health information and the demand for meat in Spain. To achieve this objective an AID system is specified in which the intercept is modified by including a health information index. The possible influence of the education level of the head of the household is also considered by estimating a different model for consumers with primary school, secondary school or university degree. From a methodological point of view special attention is paid to the stochastic properties of series. In this context, in the three cases results indicate that prices are non-stationary while the rest of the variables is. A two step procedure is outlined in this paper to deal with this problem. From estimated models different elasticities have been calculated. In relation with the health information elasticity, results show that health information has a significant influence on the demand for meat in Spain independently of the education level. The effect is negative in the case of red meats while positive for fish.

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Bibliographic Info

Article provided by Estudios de Economía Aplicada in its journal Estudios de Economía Aplicada.

Volume (Year): 20 (2002)
Issue (Month): (Agosto)
Pages: 347-364

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Handle: RePEc:lrk:eeaart:20_2_9

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Keywords: AIDS; cointegration; meat demand; health;

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