La función de demanda observada de carnes en Colombia (2000-2007): análisis comparativo de resultados de varios modelos econométricos

In this article, we apply various econometric methods to estimate the demand function observed in the three main meat markets in Colombia (beef, pork and poultry). To construct these functions, price indexes were considered as independent variables (p1, p2, p3, p4, p5,) and Household Consumption (HC...

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Bibliographic Details
Main Author: Barrera Valencia, Hernando
Format: Article
Language:Spanish
Published: Pontificia Universidad Javierana 2010
Subjects:
función de demanda en carnes
elasticidad
aproximación lineal al sistema de demanda casi ideal
mercado cárnico en Colombia
modelos econométricos
consumo de carne
análisis de demanda
precios
In Meat Demand Function
Elasticity
Linear Aproximation to Almost Idel Demand System
Meat Markets in Colombia
Econometric Modeling
Meat Consumption
Demand Analysis
Prices
fonction de demande de viande
élasticité
approche linéaire du système de demande presque parfait
marché de la viande en Colombie
modèles économiques
consommation de viande
analyse de la demande
prix
Online Access:http://dialnet.unirioja.es/servlet/oaiart?codigo=4691696
Source:Revista de la Maestria en Derecho Económico, ISSN 1692-3103, Nº. 6, 2010, pags. 179-220
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La función de demanda observada de carnes en Colombia (2000-2007): análisis comparativo de resultados de varios modelos econométricos
Summary: In this article, we apply various econometric methods to estimate the demand function observed in the three main meat markets in Colombia (beef, pork and poultry). To construct these functions, price indexes were considered as independent variables (p1, p2, p3, p4, p5,) and Household Consumption (HC) as a proxy for a wealth variable. With this information, the Marshallian demand functions are built for type Xi = f (p1, p2, p3, p4, p5, HC), which can help develop simple demand models and systems of equations. By verifying the assumptions made in accordance with the R2 statistics, Durbin-Watson and economic theories, conclusions point out that the model with the Linear Approximation to Almost Ideal Demand System (AL-AIDS) meets the expected statistical and economic theory outcomes, becoming the best alternative to show the behavior of the meat market in Colombia. Based on the AIDS model results, these goods can be classified as normal goods as well. Finally, to calculate the different elasticities during the analysis period (2000-2007) for each meat market in question, substitution and complementarity relations between the goods studied and the income elasticity based on HC were identified.

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