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<front>
<journal-meta>
<journal-id>0186-2979</journal-id>
<journal-title><![CDATA[Universidad y ciencia]]></journal-title>
<abbrev-journal-title><![CDATA[Universidad y ciencia]]></abbrev-journal-title>
<issn>0186-2979</issn>
<publisher>
<publisher-name><![CDATA[Universidad Juárez Autónoma de Tabasco, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0186-29792011000300003</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Factores que influyen en el consumo sustentable de productos orgánicos en el noroeste de México]]></article-title>
<article-title xml:lang="en"><![CDATA[Factors that influence sustainable consumption of organic products in the Northwest Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salgado-Beltrán]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Beltrán-Morales]]></surname>
<given-names><![CDATA[LF]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad de Sonora  ]]></institution>
<addr-line><![CDATA[Hermosillo Sonora]]></addr-line>
<country>México</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Centro de Investigaciones Biológicas del Noroeste S.C  ]]></institution>
<addr-line><![CDATA[La Paz Baja California Sur]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2011</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2011</year>
</pub-date>
<volume>27</volume>
<numero>3</numero>
<fpage>265</fpage>
<lpage>279</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0186-29792011000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0186-29792011000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0186-29792011000300003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[El consumo sustentable es aquel que considera principalmente factores de relevancia ambiental y de salud en la toma de decisión de compra. El principal objetivo de este trabajo es estudiar la influencia de los factores de Gobierno, comportamiento del consumidor, aspectos demográficos y estrategias de marketing que intervienen en el consumo sustentable de productos orgánicos en el noroeste de México. Para ello, el modelo teórico fue definido por medio de la revisión de literatura y se diseñó un instrumento de medición (encuesta estructurada con base en los 5 puntos de la escala Likert). La recolección de datos se realizó con un muestreo probabilístico aleatorio en los puntos de venta. Fueron obtenidas 518 encuestas válidas. La técnica aplicada para identificar las relaciones causales es el Modelo de Ecuaciones Estructurales. Los indicadores de bondad de ajuste del modelo fueron: &#967;² = 150.86 (68gl) con una p < .001, índice de ajuste normado NFI = 0.90, índice de ajuste comparado CFI = 0.85 y el error cuadrático medio de aproximación RMSEA = 0.07. Los resultados reflejan que el comportamiento del consumidor (la salud), y los aspectos demográficos (escolaridad) ejercen un efecto positivo y significativo en el consumo sustentable. De esta manera, se evidencia que se requerirá mayor esfuerzo en las estrategias de marketing (comunicación ecológica y precio) de los productos orgánicos para la incentivación de un consumo sustentable.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Sustainable consumption mainly considers factors of environmental and health importance when making a purchasing decision. The main objective of this project was to determine the influence of the government, consumer behaviour, demographics and marketing strategies factors that are involved in the sustainable consumption of organic products in northwestern Mexico. To do this, the theoretical model was defined through a review of literature and a measuring instrument was designed (structured interview based on the 5 points of the Likert scale). Data were collected through a random probability sampling at the sale points. A total of 518 valid questionnaires were obtained. The technique used to identify causal relationships was the Structural Equations Model. The goodness-of-fit indicators of the model were: &#967;2 = 150.86 (68gl) with a p < .001, normed fit index NFI = 0.90, comparative fit index CFI = 0.85 and mean square error of approximation RMSEA = 0.07. Results indicate that consumer behaviour (health) and demographics (education) have a significant positive effect on sustainable consumption. Thus, it is evident that a greater effort is required in the marketing strategies (ecological communication and price) of organic products, to encourage sustainable consumption.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Consumo sustentable]]></kwd>
<kwd lng="es"><![CDATA[productos orgánicos]]></kwd>
<kwd lng="es"><![CDATA[modelo de ecuaciones estructurales]]></kwd>
<kwd lng="en"><![CDATA[Sustainable consumption]]></kwd>
<kwd lng="en"><![CDATA[organic products]]></kwd>
<kwd lng="en"><![CDATA[structural equations model]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="justify"><font face="Verdana" size="4">Art&iacute;culos</font></p>     <p align="justify"><font face="Verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="4"><b>Factores que influyen en el consumo sustentable de productos org&aacute;nicos en el noroeste de M&eacute;xico</b></font></p>     <p align="justify"><font face="Verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="3"><b>Factors that influence sustainable consumption of organic products in the Northwest Mexico</b></font></p>     <p align="justify"><font face="Verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>L Salgado&#45;Beltr&aacute;n<sup>1</sup>, LF Beltr&aacute;n&#45;Morales<sup>2</sup>*</b></font></p>     <p align="justify"><font face="Verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>1</sup> Universidad de Sonora</i></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>2 </sup>Centro de Investigaciones Biol&oacute;gicas del Noroeste Mar bermejo 195, Col. Playa Palo de Santa Rita, C.P. 23090, La Paz, BCS, M&eacute;xico. </i>Correo electr&oacute;nico: <a href="mailto:lbeltran04@cibnor.mx">lbeltran04@cibnor.mx</a></font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="Verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">Recibido: 04 de julio de 2010    <br>Aceptado: 14 de diciembre de 2011</font></p>     <p align="justify"><font face="Verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Resumen</b></font></p>     <p align="justify"><font face="verdana" size="2">El consumo sustentable es aquel que considera principalmente factores de relevancia ambiental y de salud en la toma de decisi&oacute;n de compra. El principal objetivo de este trabajo es estudiar la influencia de los factores de Gobierno, comportamiento del consumidor, aspectos demogr&aacute;ficos y estrategias de marketing que intervienen en el consumo sustentable de productos org&aacute;nicos en el noroeste de M&eacute;xico. Para ello, el modelo te&oacute;rico fue definido por medio de la revisi&oacute;n de literatura y se dise&ntilde;&oacute; un instrumento de medici&oacute;n (encuesta estructurada con base en los 5 puntos de la escala Likert). La recolecci&oacute;n de datos se realiz&oacute; con un muestreo probabil&iacute;stico aleatorio en los puntos de venta. Fueron obtenidas 518 encuestas v&aacute;lidas. La t&eacute;cnica aplicada para identificar las relaciones causales es el Modelo de Ecuaciones Estructurales. Los indicadores de bondad de ajuste del modelo fueron: <i>&#967;</i><sup>2</sup> = 150.86 (68gl) con una p &lt; .001, &iacute;ndice de ajuste normado NFI = 0.90, &iacute;ndice de ajuste comparado CFI = 0.85 y el error cuadr&aacute;tico medio de aproximaci&oacute;n RMSEA = 0.07. Los resultados reflejan que el comportamiento del consumidor (la salud), y los aspectos demogr&aacute;ficos (escolaridad) ejercen un efecto positivo y significativo en el consumo sustentable. De esta manera, se evidencia que se requerir&aacute; mayor esfuerzo en las estrategias de marketing (comunicaci&oacute;n ecol&oacute;gica y precio) de los productos org&aacute;nicos para la incentivaci&oacute;n de un consumo sustentable.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Palabras clave:</b> Consumo sustentable, productos org&aacute;nicos, modelo de ecuaciones estructurales.</font></p>     <p align="justify"><font face="Verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Abstract</b></font></p>     <p align="justify"><font face="verdana" size="2">Sustainable consumption mainly considers factors of environmental and health importance when making a purchasing decision. The main objective of this project was to determine the influence of the government, consumer behaviour, demographics and marketing strategies factors that are involved in the sustainable consumption of organic products in northwestern Mexico. To do this, the theoretical model was defined through a review of literature and a measuring instrument was designed (structured interview based on the 5 points of the Likert scale). Data were collected through a random probability sampling at the sale points. A total of 518 valid questionnaires were obtained. The technique used to identify causal relationships was the Structural Equations Model. The goodness&#45;of&#45;fit indicators of the model were: <i>&#967;</i><sup>2</sup> = 150.86 (68gl) with a p &lt; .001, normed fit index NFI = 0.90, comparative fit index CFI = 0.85 and mean square error of approximation RMSEA = 0.07. Results indicate that consumer behaviour (health) and demographics (education) have a significant positive effect on sustainable consumption. Thus, it is evident that a greater effort is required in the marketing strategies (ecological communication and price) of organic products, to encourage sustainable consumption.</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><b>Key words:</b> Sustainable consumption, organic products, structural equations model.</font></p>     <p align="justify"><font face="Verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Introducci&oacute;n</b></font></p>     <p align="justify"><font face="verdana" size="2">Desde que Keynes (1936) publicara la funci&oacute;n del consumo en su Teor&iacute;a General, los siguientes a&ntilde;os, los economistas se han dedicado en parte a explicar la conducta del comportamiento del consumidor (Keynes 1963; Johnson 1974). Para ello se crearon teor&iacute;as tradicionales en las que el consumo es considerado como una funci&oacute;n de ingresos y precios. Estas teor&iacute;as han exceptuado las motivaciones reales que conducen a los consumidores a comprar.</font></p>     <p align="justify"><font face="verdana" size="2">Los seres humanos tienen que resolver muchos problemas, entre los cuales se encuentra una serie de necesidades que hay que satisfacer, desde la supervivencia (necesidad b&aacute;sica) hasta las denominadas superfluas siendo individuales o colectivas (Azqueta 2002). El orden de b&uacute;squeda y satisfacci&oacute;n tiene siempre una &uacute;nica direcci&oacute;n de car&aacute;cter ascendente, de tal manera que solamente cuando se han cubierto las necesidades de un orden inferior (m&aacute;s b&aacute;sico, general o necesario) se prestar&aacute; atenci&oacute;n y al mismo tiempo, cuando se satisface una necesidad, autom&aacute;ticamente se crea otra de nivel superior por la que se debe comenzar a esforzar (Fullana &amp; Puig 1997). Estas necesidades han sido clasificadas como: fisiol&oacute;gicas (alimentaci&oacute;n, sexo, etc.); seguridad (de empleo, de salud, etc.); afiliaci&oacute;n (amistad, afecto, etc.); reconocimiento (autorreconocimiento, confianza, etc.) y autorrealizaci&oacute;n (creatividad, resoluci&oacute;n de problemas, etc.) (Maslow 1970). Sin embargo, en un entorno de respeto al medio ambiente, cuando las personas expresan su preocupaci&oacute;n ecol&oacute;gica son motivados por necesidades universales, demostrando la existencia de jerarqu&iacute;a alguna (Wahba &amp; Bridwell 1976). A su vez, &eacute;sta preocupaci&oacute;n por la degradaci&oacute;n del ambiente est&aacute; generando un segmento de consumidores que manifiestan dicha preocupaci&oacute;n por medio de su proceso de compra (Salgado <i>et al.</i> 2009), conceptualiz&aacute;ndolo como aquel consumidor que manifiesta su preocupaci&oacute;n por el ambiente en su comportamiento de compra, buscando productos que sean percibidos como de menor impacto sobre el mismo (Calomarde 2000), sin hacer expl&iacute;cito que realiza toda o parte de su compra ecol&oacute;gica.</font></p>     <p align="justify"><font face="verdana" size="2">Como efecto a finales de la d&eacute;cada de los ochenta, la demanda por los productos org&aacute;nicos, entendidos como aquellos que no utilizan productos qu&iacute;micos de s&iacute;ntesis, en cambio se emplean los de origen natural que sean r&aacute;pidamente biodegradables y de bajo impacto o que puedan ser reciclados (como en el caso del empaque, embalaje y etiquetado) empez&oacute; a expandirse dram&aacute;ticamente en los pa&iacute;ses desarrollados. En M&eacute;xico, el desarrollo de la agricultura org&aacute;nica se inici&oacute; en los a&ntilde;os '60, a trav&eacute;s de agentes extranjeros, conect&aacute;ndose con diferentes operadores mexicanos, solicit&aacute;ndoles la producci&oacute;n de determinados productos org&aacute;nicos (Schwentesius <i>et al.</i> 2010).</font></p>     <p align="justify"><font face="verdana" size="2">En este contexto, el concepto de consumo sustentable se ha hecho popular. Esta noci&oacute;n refleja el uso de bienes y servicios que responden a necesidades b&aacute;sicas y proporcionan una mejor calidad de vida, al mismo tiempo minimizan el uso de recursos naturales, materiales t&oacute;xicos y emisiones de desperdicios y contaminantes durante todo el ciclo de vida, de tal manera que no se ponen en riesgo las necesidades de futuras generaciones (MNMA 1994; Ferrer&#45;i&#45;Carbonell &amp; Van Den Bergh 2004; Do 2009; Fedrigo &amp; Hontelez 2010; Krantz 2010; Munasinghe 2010; Tukker <i>et al.</i> 2010). El factor cr&iacute;tico en el consumo sustentable no es el consumo por s&iacute; mismo sino la cantidad de energ&iacute;a y recursos utilizados que ocasiona, al consumir un producto org&aacute;nico se contribuye con la reducci&oacute;n del impacto ambiental en su proceso de producci&oacute;n. Estudios han relacionado las ventajas de la implementaci&oacute;n de regulaciones ambientales como elementos del gobierno para incentivar el consumo sustentable (Hussain 2000; Samuelson &amp; Biek 1991; Grundey &amp; Zaharia 2008). Los componentes del comportamiento del consumidor que pueden influir en la compra de un producto org&aacute;nico (Bui 2005) se han dividido en: valores (Wiener &amp; Sukhdial 1990; Stern <i>et al.</i> 1993; McCarty &amp; Shrum 1994; Peattie 2001;) creencias (Alba &amp; Hutchinson 1987; Vining &amp; Ebreo 1990; Chan 1999; Crane 2000) motivaciones (Mainieri &amp; Barnett 1997) actitudes (Schlegelmilch <i>et al.</i> 1996; Dietz <i>et al.</i> 1998). Los aspectos demogr&aacute;ficos han sido analizados como variables que intervienen en un consumo sustentable: edad (Harry <i>et al.</i> 1969; Buttel 1979) g&eacute;nero (Dobscha 1993; Dobscha &amp; Ozanne 2001; Thompson <i>et al.</i> 2010; Laroche <i>et al.</i> 2001) educaci&oacute;n (Buttel &amp; Flinn 1974) ingreso (Buttel &amp; Flinn 1978; Van Liere &amp; Dunlap 1980; Zimmer <i>et al.</i> 1994). As&iacute; como los factores agrupados en las estrategias de marketing: precio (Bhate &amp; Lawler 1997; Mathur &amp; Mathur 2000; Moon <i>et al.</i> 2002), producto (Martinsons <i>et al.</i> 1997; Chen 2001; Handfield <i>et al.</i> 2001; Pujari <i>et al.</i> 2003; De Caluwe 2004; Bhaskaran <i>et al.</i> 2006; Jansen &amp; Stevels 2006; De Ferran &amp; Grunert 2007), distribuci&oacute;n (Handfield <i>et al.</i> 1997) y comunicaci&oacute;n (Carlson <i>et al.</i> 1993; Banerjee <i>et al.</i> 1995; Carlson &amp; Grove 1996; Mohr <i>et al.</i> 1998; Wagner &amp; Hansen 2002;Lankard &amp; McLaughlin 2003).</font></p>     <p align="justify"><font face="verdana" size="2">En virtud de los antecedentes expuestos, el principal objetivo de este trabajo es estudiar la influencia de los factores de Gobierno, comportamiento del consumidor, aspectos demogr&aacute;ficos y estrategias de marketing que intervienen en el consumo sustentable de productos org&aacute;nicos en el noroeste de M&eacute;xico. Con este fin, se establece una relaci&oacute;n causal a trav&eacute;s de los factores mencionados en el consumo sustentable de los consumidores contrastando sus efectos al aportar informaci&oacute;n a las relaciones mencionadas. Para ello se utilizar&aacute; el Modelo de Ecuaciones Estructurales (SEM). La idoneidad de aplicarlo a este trabajo es que, aportar&aacute; una de las herramientas m&aacute;s potentes para el estudio de las relaciones causales sobre datos no experimentales cuando estas relaciones son de tipo lineal. De manera que permitir&aacute; (Batista &amp; Coenders 2000): 1)Abordar los fen&oacute;menos que influyen en un consumo sustentable, teniendo en cuenta su gran complejidad; 2) Simplificar las grandes matrices multivariantes que surjan, que tienen un excesivo volumen de datos; 3) Especificar el modelo propiamente, de acuerdo al propio criterio y conocimientos, modific&aacute;ndolo de forma flexible seg&uacute;n su ajuste a los datos; 4) Eliminar el efecto error de medida de las relaciones entre variables.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Revisi&oacute;n de literatura</b></font></p>     <p align="justify"><font face="verdana" size="2">Los factores que intervienen en un consumo sustentable se han esquematizado de acuerdo a los resultados de las investigaciones cient&iacute;ficas, conformando un modelo te&oacute;rico (<a href="#f1">Figura 1</a>), permitiendo con ello hacer predicciones e inferencias sobre el sistema real al cual se aplica el consumo sustentable de productos org&aacute;nicos.</font></p>     ]]></body>
<body><![CDATA[<p align="center"><font face="verdana" size="2"><a name="f1"></a></font></p>     <p align="center"><font face="verdana" size="2"><img src="/img/revistas/uc/v27n3/a3f1.jpg"></font></p>     <p align="justify"><font face="verdana" size="2"><b>Factores Externos</b></font></p>     <p align="justify"><font face="verdana" size="2">Son aquellas influencias que afectan al comportamiento del consumidor, provenientes del entorno donde &eacute;ste se encuentra inmerso. As&iacute;, las estrategias de marketing est&aacute;n relacionadas con la gesti&oacute;n de una empresa para colocar sus productos en el mercado, son un intento continuo de incidir o persuadir a los consumidores, adem&aacute;s de informarles y convencerlos de adquirir sus productos o servicios. Para Wong <i>et al.</i> (1996) hay discrepancias entre la preocupaci&oacute;n ecol&oacute;gica y las acciones de compra al analizar la estrategias de marketing de una empresa y la demanda de los productos org&aacute;nicos. Concluyen que hay muy poca especificaci&oacute;n de los productos con relaci&oacute;n a las necesidades de los consumidores y que hay barreras a la percepci&oacute;n del impacto ambiental de estos productos.</font></p>     <p align="justify"><font face="verdana" size="2">Bhate &amp; Lawler (1997) relacionaron la variable precio con la compra de productos org&aacute;nicos, obteniendo como resultado la disposici&oacute;n para pagar por un alto precio (DPA) siendo la presentaci&oacute;n de estos productos la que influir&iacute;a en su adquisici&oacute;n. Moon <i>et al.</i> (2002) muestran diferencias por las zonas residenciales estudiadas, encontrando una DPA en los productos org&aacute;nicos aquellas de mayores niveles de ingreso. Los efectos de presentar informaci&oacute;n de productos org&aacute;nicos previa la compra increment&oacute; en un 50 % de los participantes la DPA (Giord &amp; Bernard 2011).</font></p>     <p align="justify"><font face="verdana" size="2">La comunicaci&oacute;n puede expresar una relaci&oacute;n entre un producto o servicio y el ambiente, presentar una imagen corporativa de responsabilidad ambiental o puede promover un estilo de vida ecol&oacute;gico (Wagner &amp; Hansen 2002). La publicidad ecol&oacute;gica hace referencia al clima y el ambiente. Pero el concepto va mucho m&aacute;s all&aacute;, y alcanza al sector de la salud (comida org&aacute;nica, productos libres de t&oacute;xicos) y al bienestar en general (bot&aacute;nica, homeopat&iacute;a). La informaci&oacute;n ecol&oacute;gica tiene una componente emocional, que puede resumirse en la idea de salvar un entorno apreciado por su belleza o el placer que produce su disfrute (Calomarde 2000).</font></p>     <p align="justify"><font face="verdana" size="2">La incidencia del Gobierno como ente regulatorio de pol&iacute;ticas ambientales en el consumo sustentable, el cual necesita ser un &aacute;rea de prioridad para el desarrollo. Esto no es una tarea f&aacute;cil para los pa&iacute;ses industrializados, cuyo crecimiento econ&oacute;mico ha sido basado en el consumo (Fedrigo &amp; Hontelez 2010). Las regulaciones podr&iacute;an ser usadas como significado de mejora, pero existe una ineficiencia de la informaci&oacute;n transferida. Si el estado hace obligatorio estos certificados, los productos sustentables tendr&iacute;an una mejora&#45;bienestar (Hussain 2000). Tambi&eacute;n se ha asociado el uso de los centros de reciclaje obteniendo como resultado a los recicladores como los m&aacute;s j&oacute;venes, pertenecientes a clases altas sin diferir en educaci&oacute;n o sexo (Arbuthnot 1977). Adem&aacute;s, Samuelson &amp; Biek (1991) reportan las actitudes y creencias favorables de los ciudadanos hacia el uso de energ&iacute;a y conservaci&oacute;n. Los resultados de esta investigaci&oacute;n refuerzan la conclusi&oacute;n de que, en el futuro, las campa&ntilde;as de conservaci&oacute;n de energ&iacute;a deber&iacute;an ser m&aacute;s sensibles a la preocupaci&oacute;n de los consumidores sobre su comodidad y salud. Ya que son un est&iacute;mulo sustentable en la estrategia ecol&oacute;gica (Grundey &amp; Zaharia 2008).</font></p>     <p align="justify"><font face="verdana" size="2"><b>Factores Internos</b></font></p>     <p align="justify"><font face="verdana" size="2">Son aquellas influencias provenientes de las necesidades sobre el comportamiento que tienen sobre el consumo los consumidores. La interpretaci&oacute;n de los est&iacute;mulos externos se realiza en base a unos factores internos, es decir, las caracter&iacute;sticas personales, y la estructura psicol&oacute;gica. Las primeras, aspectos sociodemogr&aacute;ficos, son variables observables que por s&iacute; solas no pueden generar un consumo sustentable, sino por otras condiciones ligadas a esas caracter&iacute;sticas, cuyo efecto debiera ser notorio y directo (Ordu&ntilde;a&#45;Cabrera <i>et al.</i> 2009). Explican menos del 10 por ciento de la variaci&oacute;n del comportamiento ecol&oacute;gico (Schlegelmilch <i>et al.</i> 1994) y esta limitada capacidad explicativa se debe a que el ambiente ha dejado de ser un tema marginal, para ser una norma socialmente aceptada (Schlegelmilch <i>et al.</i> 1996; Schwepker &amp; Cornwell 1991).La edad ha sido correlacionada positivamente con la preocupaci&oacute;n ambiental (Harry <i>et al.</i> 1969; Buttel 1979). Sobre estudios de g&eacute;nero, Dobscha (1993); Dobscha &amp; Ozanne (2001); Thompson <i>et al.</i> (2010) concluyen que si bien el consumidor medio puede participar en algunas de las actividades ecol&oacute;gicas, las mujeres son m&aacute;s consistentes e intensas en su prevenci&oacute;n. Buttel &amp; Flinn (1974) estudiaron la relaci&oacute;n entre la educaci&oacute;n y la inclinaci&oacute;n a efectuar acciones ambientales, como resultado, quienes tuvieran mayor nivel de escolaridad tendr&iacute;an m&aacute;s disponibilidad a actuar proambientalmente. Van Liere &amp; Dunlap (1980) bas&aacute;ndose en la pir&aacute;mide de Maslow (1970) relacionan la preocupaci&oacute;n ambiental con la clase social indicada con las variables educaci&oacute;n, ingreso y prestigio ocupacional. Al respecto, encontraron que las asociaciones entre el ingreso y la preocupaci&oacute;n ambiental son muy ambiguas y no apoyan la hip&oacute;tesis de asociaci&oacute;n positiva, encontrada en el estudio de Buttel &amp; Flinn (1978).</font></p>     <p align="justify"><font face="verdana" size="2">En el comportamiento del consumidor, Corral&#45;Verdugo <i>et al.</i> (2009) indican que no existe una categor&iacute;a general de "conducta proecol&oacute;gica" (CPE), sino que la misma se manifiesta como un conjunto de factores m&uacute;ltiples independientes (Lee <i>et al.</i> 1995; Corral&#45;Verdugo 1996; Bratt 1999) aunque existe evidencia de que pudieran relacionarse entre s&iacute; (Tracy &amp; Oskamp 1984; Diamantopoulos <i>et al.</i> 2003).</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">La conciencia ecol&oacute;gica es el conocimiento reflexivo de los problemas y aspectos ambientales (Diamantopoulos <i>et al.</i> 2003; Stern <i>et al.</i> 1993) que puede reflejarse en un consumo sustentable. Teisl &amp; O'Brien (2003) encuentran que la participaci&oacute;n en recreaci&oacute;n al aire libre como estilo de vida es positivamente asociada con el comportamiento&#45;conciencia ecol&oacute;gica. Adem&aacute;s, Gilg <i>et al.</i> (2005) examinan el consumo ecol&oacute;gico en el contexto de un incremento centrado en los estilos de vidas ecol&oacute;gicos. En este mismo sentido, discuten que la compra ecol&oacute;gica debe ser vista en el contexto circundante al desarrollo de formas de vidas ecol&oacute;gicas que incorporen otras acciones ambientales en una conceptualizaci&oacute;n hol&iacute;stica de estilos de vida ecol&oacute;gico. Dietz <i>et al.</i> (1998) han encontrado asociaciones fuertes entre la conciencia ecol&oacute;gica y las variables psicol&oacute;gicas como las actitudes.</font></p>     <p align="justify"><font face="verdana" size="2">Las emociones informan de aspectos que son de la mayor importancia para todos: las personas, valores, actividades y necesidades que aportan motivaci&oacute;n, entusiasmo, autocontrol y persistencia As&iacute;, la afinidad emocional hacia la naturaleza es un concepto que abarca varias inclinaciones hacia la naturaleza tales como el amor o deseo por conservarla. Fischerlehner (1993) demanda que la construcci&oacute;n de v&iacute;nculos emocionales hacia la naturaleza puede servir como una motivaci&oacute;n para protegerla por medio del consumo sustentable. Adem&aacute;s, Horrigan <i>et al.</i> (2002) han vinculado las enfermedades humanas por consumo de productos con pesticidas con el medio ambiente, extrayendo como beneficio el incremento del consumo sustentable en el estudio realizado.</font></p>     <p align="justify"><font face="Verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Materiales y m&eacute;todos</b></font></p>     <p align="justify"><font face="verdana" size="2">Para la realizaci&oacute;n del presente estudio, se hizo una extensa revisi&oacute;n de literatura para extraer los elementos de un consumo sustentable (<a href="#f1">Figura 1</a>), posteriormente se elabor&oacute; el modelo te&oacute;rico (<a href="#f2">Figura 2</a>) para dise&ntilde;ar el instrumento de recogida de datos (encuesta), proceder a su an&aacute;lisis y comprobaci&oacute;n de hip&oacute;tesis.</font></p>     <p align="center"><font face="verdana" size="2"><a name="f2"></a></font></p>     <p align="center"><font face="verdana" size="2"><img src="/img/revistas/uc/v27n3/a3f2.jpg"></font></p>     <p align="justify"><font face="verdana" size="2"><b>Procedimiento</b></font></p>     <p align="justify"><font face="verdana" size="2">Para el levantamiento de la informaci&oacute;n se llev&oacute; a cabo una prueba piloto de la encuesta. El muestreo se realiz&oacute; aleatoriamente en los puntos de venta de los establecimientos comerciales donde los participantes contestaron voluntariamente un cuestionario estructurado en los cinco puntos de la escala Likert. La aplicaci&oacute;n de este tipo de encuesta denominada encuesta personal o por clientela est&aacute; orientada a localizar al entrevistado, al mismo tiempo que se pretende que sea el cliente real o potencial. Se utiliz&oacute; la f&oacute;rmula para poblaciones infinitas, considerando que la localidad tiene poblaci&oacute;n de m&aacute;s de 100 000 habitantes, segmentando la poblaci&oacute;n de 18 a 65 a&ntilde;os (<a href="#f2">Figura 2</a>).</font></p>     <p align="justify"><font face="verdana" size="2">Una vez llevado a cabo el trabajo de campo, se depuraron los cuestionarios quedando una muestra final de 518. El proceso de depuraci&oacute;n de las escalas se realiz&oacute; con un an&aacute;lisis exploratorio para la fiabilidad y unidimensionalidad de las escalas a trav&eacute;s del coeficiente Alfa de Cronbach, presentando valores superiores a .70 con base a la sugerencia de Nunnally (1967).</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><b>Tratamiento de los datos</b></font></p>     <p align="justify"><font face="verdana" size="2">La estimaci&oacute;n del modelo de ecuaciones estructurales se hizo por m&aacute;xima verosimilitud (<i>maximum likelihood</i>) por medio del software estad&iacute;stico AMOS versi&oacute;n 19.0. Se calcularon los indicadores de bondad de ajuste Chi&#45;cuadrado (<i>&#967;</i><sup>2</sup>), &iacute;ndice de ajuste normado (NFI), &iacute;ndice de ajuste comparado (CFI) y el error cuadr&aacute;tico medio de aproximaci&oacute;n (RMSEA).Este paso exigi&oacute; la elaboraci&oacute;n de varios modelos confirmatorios, siguiendo los tres criterios establecidos por J&ouml;reskog (1993) en el cual se eliminaron varios indicadores sucesivamente asi como se obtuvieron las varianzas explicadas de los factores utilizados en este an&aacute;lisis (<a href="#t1">Tabla 1</a>).</font></p>     <p align="center"><font face="verdana" size="2"><a name="t1"></a></font></p>     <p align="center"><font face="verdana" size="2"><img src="/img/revistas/uc/v27n3/a3t1.jpg"></font></p>     <p align="center"><font face="verdana" size="2"><img src="/img/revistas/uc/v27n3/a3f3.jpg"></font></p>     <p align="justify"><font face="verdana" size="2"><b>Hip&oacute;tesis de trabajo</b></font></p>     <p align="justify"><font face="verdana" size="2"><i>La influencia de los factores externos</i></font></p>     <p align="justify"><font face="verdana" size="2">Se parte de las estrategias de marketing. Los consumidores tienen voluntad para pagar un alto precio (DPA) por los productos org&aacute;nicos pero no est&aacute;n lo suficientemente involucrados con el tema ambiental (Bhate &amp; Lawler 1997; Moon <i>et al.</i> 2002; Giord &amp; Bernard 2011). Para generar un consumo sustentable es necesario utilizar una herramienta de persuasi&oacute;n, la comunicaci&oacute;n, si las empresas no informan de los costos ambientales de producci&oacute;n a sus consumidores, es un efecto de informaci&oacute;n incompleta (Hawken 1993). Al recibir esta informaci&oacute;n de forma completa, la propensi&oacute;n al cambio de actitud pudiera ser m&aacute;s alta (Wagner &amp; Hansen 2002; Calomarde 2000). De este modo, se plante&oacute; la siguiente hip&oacute;tesis:</font></p>     <p align="justify"><font face="verdana" size="2"><b>H1</b> = Las estrategias de marketing de los productos org&aacute;nicos ejerce un efecto positivo y significativo en el consumo sustentable.</font></p>     <p align="justify"><font face="verdana" size="2"><i>La influencia de los factores internos</i></font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">Los aspectos demogr&aacute;ficos forman parte de los factores internos del consumidor (perfil demogr&aacute;fico) que pueden influir en la compra de productos org&aacute;nicos, por ello han sido los primeros en relacionarse con el consumo sustentable (Buttel &amp; Flinn 1974; Ordu&ntilde;a <i>et al.</i> 2009; Harry <i>et al.</i> 1969; Buttel 1979; Dobscha 1993; Dobscha &amp; Ozanne 2001; Thompson <i>et al.</i> 2010; Buttel &amp; Flinn 1974). De este modo, se plantea la siguiente hip&oacute;tesis:</font></p>     <p align="justify"><font face="verdana" size="2"><b>H2</b> = Los aspectos demogr&aacute;ficos ejerce un efecto positivo y significativo en el consumo sustentable.</font></p>     <p align="justify"><font face="verdana" size="2">La toma de decisi&oacute;n de consumo sustentable es un proceso donde intervienen variables de comportamiento del consumidor (perfil psicol&oacute;gico) que inciden en la compra de productos org&aacute;nicos como conciencia ecol&oacute;gica (Diamantopoulos <i>et al.</i> 2003; Stern <i>et al.</i> 1993), estilo de vida (Teisl &amp; O'Brien 2003; Gilg <i>et al.</i> 2005), actitudes (Dietz <i>et al.</i> 1998), comprar por salud (Horrigan <i>et al.</i> 2002). De este modo se plantea la &uacute;ltima hip&oacute;tesis:</font></p>     <p align="justify"><font face="verdana" size="2"><b>H3</b> = El comportamiento del consumidor ejerce un efecto positivo y significativo en el consumo sustentable.</font></p>     <p align="justify"><font face="verdana" size="2">Planteadas las hip&oacute;tesis, el modelo causal propuesto quedar&iacute;a reflejado de la siguiente manera (<a href="#f4">Figura 4</a>):</font></p>     <p align="center"><font face="verdana" size="2"><a name="f4"></a></font></p>     <p align="center"><font face="verdana" size="2"><img src="/img/revistas/uc/v27n3/a3f4.jpg"></font></p>     <p align="justify"><font face="Verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Resultados</b></font></p>     <p align="justify"><font face="verdana" size="2">Los resultados descriptivos muestran que la media de edad de los consumidores encuestados en la Zona Norte de Sonora fue de 35 a&ntilde;os, solteros, con bachillerato y con un ingreso medio de $ 4001&#45;8000 (<a href="/img/revistas/uc/v27n3/a3t2.jpg" target="_blank">Tabla 2</a>). En la estrategia de marketing, en una escala de 1 al 5, donde 5 es total de acuerdo, la media de respuesta a si comprar&iacute;a un producto org&aacute;nico si tuviera un precio similar al convencional, fue de 4.19. En promedio dijeron ser indiferentes en encontrar informaci&oacute;n sobre los da&ntilde;os ambiental de los productos. Respecto a las variables gubernamentales, respondieron algo desacuerdo (escala 2 de 5 puntos) sobre si consideran que las campa&ntilde;as del gobierno de incentivo ecol&oacute;gico son suficientes (media = 1.85). Los alfas de las escalas fue mayor para la escala de comportamiento del consumidor (&#945; = 0.95) seguida de la escala estrategias de marketing (&#945; = 0.90) y la de Gobierno (&#945; = 0.75).</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><b>Modelo estructural</b></font></p>     <p align="justify"><font face="verdana" size="2">En el Modelo de ecuaciones estructurales el consumo sustentable de productos org&aacute;nicos fue causado por el comportamiento del consumidor, aspectos demogr&aacute;ficos, las estrategias de marketing y el gobierno, indicados cada uno con sus respectivas variables. Por lo tanto, se presenta como un modelo recursivo.</font></p>     <p align="justify"><font face="verdana" size="2">Para el estad&iacute;stico <i>&#967;</i><sup>2</sup> los valores reducidos representan menor discrepancia entre lo observado y lo predicho por el modelo y por lo tanto un mejor ajuste. Es decir, a valores altos de <i>&#967;</i><sup>2</sup> en comparaci&oacute;n con los grados de libertad gl indican un pobre ajuste (Batista &amp; Coenders 2000). En el modelo este indicador revela <i>&#967;</i><sup>2</sup> = 150.86 (68gl) con una p &lt; .001. El &iacute;ndice de ajuste normado (NFI) mide la reducci&oacute;n proporcional en la funci&oacute;n de ajuste cuando se pasa del modelo nulo al propuesto. El rango de variaci&oacute;n de este &iacute;ndice est&aacute; entre 0 y 1, siendo recomendables valores superiores a 0,90 (Bentler &amp; Bonett 1980). El NFI fue 0.90. El &iacute;ndice de ajuste comparado (CFI) muestra un buen ajuste del modelo para valores pr&oacute;ximos a 1 (Bentler 1990). CFI = 0.85. El error cuadr&aacute;tico medio de aproximaci&oacute;n (RMSEA) define la discrepancia entre ambas matrices que esta medida en t&eacute;rminos de la poblaci&oacute;n y no en t&eacute;rminos de la muestra. Valores inferiores a 0,08 son indicativos de un buen ajuste del modelo en la poblaci&oacute;n (Steiger 1990), en este caso se obtuvo un RMSEA = 0.07. Estos &iacute;ndices permiten afirmar que el modelo de relaciones te&oacute;ricas encuentra respaldo en los datos, exceptuando al constructo Gobierno, donde las relaciones son de baja significancia de acuerdo al cumplimiento de convergencia de Steemkamp &amp; Van Trijp (1991)</font></p>     <p align="center"><font face="verdana" size="2"><img src="/img/revistas/uc/v27n3/a3f5.jpg"></font></p>     <p align="justify"><font face="verdana" size="2">Respecto a las hip&oacute;tesis planteadas, se observ&oacute; que el consumo sustentable a trav&eacute;s de las estrategias de marketing como efectos externos influyentes en la compra de productos org&aacute;nicos de los consumidores, es no significativa, por lo tanto no se apoya la hip&oacute;tesis H1. Por otro lado, los aspectos demogr&aacute;ficos ejercen el efecto esperado en el consumo sustentable, tal y como se muestra la significatividad en el modelo, por consiguiente, se encuentran indicios que permiten apoyar la H2. Asimismo, se encuentran indicios que permiten apoyar la H3, pues se observa que el comportamiento del consumidor incide altamente en la generaci&oacute;n de un consumo sustentable.</font></p>     <p align="justify"><font face="verdana" size="2">Los resultados obtenidos, ponen de manifiesto la gran importancia que tiene para los productos org&aacute;nicos las estrategias de marketing para asociar un consumo sustentable.</font></p>     <p align="justify"><font face="verdana" size="2">En el SEM se encontr&oacute; que las estrategias de marketing tienen un efecto negativo (&minus;0.10) sobre el consumo sustentable (precio y comunicaci&oacute;n ecol&oacute;gica). Los aspectos demogr&aacute;ficos (0.93) tienen una relaci&oacute;n de causalidad significativa con el consumo sustentable (escolaridad). El comportamiento del consumidor (salud) con un efecto altamente positivo (0.90) para generar un consumo sustentable. El Gobierno (0.20) ha sido considerado como un efecto positivo sin embargo, con baja significancia, por lo tanto se elimin&oacute; del modelo final.</font></p>     <p align="justify"><font face="Verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Discusi&oacute;n</b></font></p>     <p align="justify"><font face="verdana" size="2">Se ha confrontado que los factores internos del consumidor (comportamiento del consumidor y aspectos demogr&aacute;ficos) ejercen gran influencia sobre la toma de decisi&oacute;n del consumo sustentable de los productos org&aacute;nicos. Espec&iacute;ficamente, el comprar por salud ha resultado tener mayor significancia que la conciencia ecol&oacute;gica como indicadores de este comportamiento de los consumidores como se plante en el estudio de Horrigan <i>et al.</i> (2002) A su vez, la escolaridad (nivel de estudios) sigue siendo un indicador importante dentro de los aspectos demogr&aacute;ficos aunque por si solo no es generador de un consumo sustentable, pero presenta alta significancia al igual que en resultados de otras investigaciones (Buttel &amp; Flinn 1974; Van Liere &amp; Dunlap 1980).</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">La implicaci&oacute;n empresarial de este estudio m&aacute;s relevante se centrar&iacute;a en la importancia que tiene para los empresarios de la Zona Norte de Sonora, el reconocer que las estrategias de marketing (factores externos) como lo se&ntilde;ala Grundey &amp; Zaharia (2008), son los activos en los que tienen que invertir su mayor esfuerzo para acomodar los productos org&aacute;nicos en el mercado. Esto requiere, reforzar la percepci&oacute;n que tiene el consumidor de la comunicaci&oacute;n ecol&oacute;gica, en todos sus formatos, expresando la relaci&oacute;n entre un producto o servicio y el ambiente, al presentar una imagen corporativa de responsabilidad ambiental o promover un estilo de vida ecol&oacute;gico (Wagner &amp; Hansen 2002) para que influyan positivamente en la compra de sus productos org&aacute;nicos. Debe ponerse &eacute;nfasis en el dise&ntilde;o de estrategias del precio en los productos org&aacute;nicos para conseguir una mayor DPA (Bhate &amp; Lawler 1997; Moon <i>et al.</i> 2002). Una justificaci&oacute;n a este resultado podr&iacute;a encontrarse en el trabajo de Giord &amp; Bernard (2011) que indican que el escaso conocimiento o familiaridad sobre el proceso de producci&oacute;n de este tipo de productos que tienen los consumidores reduce significativamente su DPA.</font></p>     <p align="justify"><font face="verdana" size="2">Todo ello conformar&iacute;a un incremento en el consumo sustentable, reduciendo el impacto ambiental y generando satisfacci&oacute;n en los consumidores preocupados por su salud o conciencia ecol&oacute;gica, con el fin de preservar el entorno para las generaciones futuras.</font></p>     <p align="justify"><font face="Verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Agradecimientos</b></font></p>     <p align="justify"><font face="verdana" size="2">Los autores agradecen el financiamiento otorgado por el Consejo Nacional de Ciencia y Tecnolog&iacute;a (CONACYT) por medio de su Programa de Apoyo Complementario para la Consolidaci&oacute;n Institucional de Grupos de Investigaci&oacute;n 2010, modalidad retenci&oacute;n 144682.</font></p>     <p align="justify"><font face="Verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Literatura citada</b></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">Alba JW, Hutchinson JW.(1987) Dimensions of consumer expertise, Journal of Consumer Research, 13: 411&#45;54.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=10106850&pid=S0186-2979201100030000300001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">Albrecht D, Bultena G, Hoiberg E, Nowak P (1982) Measuring environmental concern &#45; the new environmental paradigm scale, Journal of Environmental Education, 13 (3): 39&#45;43.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=10106852&pid=S0186-2979201100030000300002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">Arbuthnot J (1977) Roles of attitudinal and personality&#45;variables in prediction of environmental behavior and knowledge, Environment and Behavior, 9 (2): 217&#45;232.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=10106854&pid=S0186-2979201100030000300003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">Azqueta D (2002) Introducci&oacute;n a la econom&iacute;a ambiental. 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