Öndice de Paridad Poder de Compra Nutricional: comparaci¢n de los precios cal¢ricos entre dietas habituales y saludables.

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Bibliographic Details
Title:	Öndice de Paridad Poder de Compra Nutricional: comparaci¢n de los precios cal¢ricos entre dietas habituales y saludables.
Alternate Title:	Index of Nutritional Purchasing Power Parity: comparison of caloric costs of a healthy versus an unhealthy diet.
Authors:	Mendoza Velzquez, Alfonso¹ amv101@yahoo.com
Source:	Pan American Journal of Public Health / Revista Panamericana de Salud Pública. Jan2012, Vol. 31 Issue 1, p17-24. 8p.
Subjects:	FOOD, FOOD habits, EXPERIMENTAL design, RESEARCH methodology, OBESITY, DESCRIPTIVE statistics, ECONOMICS
Geographic Terms:	MEXICO
Abstract (English):	Objective. Develop the Index of Nutritional Purchasing Power Parity (Nut3-CiO) as an instrument to compare the caloric costs of a healthy versus an unhealthy diet between regions or cities in a country over time. Methods. Indices of caloric prices were constructed and the "law of one price" was used to derive the Nut3-CiO index. Caloric inflation rates were obtained using basic descriptive statistics. The Nut3-CiO was applied in the major cities of Mexico during the period from January 1996 to December 2010. Results. The statistical behavior of the Nut3-CiO revealed that, in Mexican cities, products for a typical diet are less expensive than products for a healthy diet. The findings showed a cyclical behavior to the index, a high correlation between inflation for the typical diet and inflation for the market basket, and a high persistence of prices. Conclusions. The Nut3-CiO index makes it possible to periodically compare the price differential of two types of diets--typical and healthy--between cities in a single country. This instrument could help health authorities identify the cities where it is easier or more difficult for consumers to access a typical or healthy diet in terms of cost. Furthermore, it makes it possible to estimate the percentage adjustment necessary in each city to attain levels of nutritional purchasing power parity. [ABSTRACT FROM AUTHOR]
Abstract (Spanish):	Objetivo. Validar el Índice de Paridad Poder de Compra Nutricional (Nut3-CiO) como un instrumento que permite comparar los precios calóricos de una dieta saludable versus una dieta no saludable entre regiones o ciudades de un país a través del tiempo. Métodos. Se construyeron índices de precios calóricos y se empleó la "ley de un solo precio" para derivar el índice Nut3-CiO. Se obtuvieron tasas de inflación calóricas sobre las que se realizó estadística descriptiva básica. El Nut3-CiO se aplicó a las principales ciudades de México durante el período enero de 1996 a diciembre 2010. Resultados. El comportamiento estadístico del Nut3-CiO reveló que en las ciudades de México los productos de la dieta habitual son más baratos que los productos de la dieta saludable. Se observó un comportamiento cíclico del índice, una correlación alta entre la inflación de la dieta habitual y la inflación de la canasta básica, y una alta persistencia de los precios. Conclusiones. El índice Nut3-CiO permite comparar periódicamente el diferencial de precios de dos tipos de dietas--habituales y saludables--entre las ciudades de un mismo país. Este instrumento podría ayudar a las autoridades de salud a identificar las ciudades en donde resulta más -o menos- fácil para los consumidores acceder a una dieta habitual o saludable en términos de costo. Asimismo, hace posible estimar el porcentaje de ajuste que deberían tener los precios relativos en cada ciudad para alcanzar los niveles de paridad poder de compra nutricional. [ABSTRACT FROM AUTHOR]
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Database:	MedicLatina

Description
Abstract:	Objective. Develop the Index of Nutritional Purchasing Power Parity (Nut3-CiO) as an instrument to compare the caloric costs of a healthy versus an unhealthy diet between regions or cities in a country over time. Methods. Indices of caloric prices were constructed and the "law of one price" was used to derive the Nut3-CiO index. Caloric inflation rates were obtained using basic descriptive statistics. The Nut3-CiO was applied in the major cities of Mexico during the period from January 1996 to December 2010. Results. The statistical behavior of the Nut3-CiO revealed that, in Mexican cities, products for a typical diet are less expensive than products for a healthy diet. The findings showed a cyclical behavior to the index, a high correlation between inflation for the typical diet and inflation for the market basket, and a high persistence of prices. Conclusions. The Nut3-CiO index makes it possible to periodically compare the price differential of two types of diets--typical and healthy--between cities in a single country. This instrument could help health authorities identify the cities where it is easier or more difficult for consumers to access a typical or healthy diet in terms of cost. Furthermore, it makes it possible to estimate the percentage adjustment necessary in each city to attain levels of nutritional purchasing power parity. [ABSTRACT FROM AUTHOR]
ISSN:	10204989
DOI:	10.1590/S1020-49892012000100003