<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0186-1042</journal-id>
<journal-title><![CDATA[Contaduría y administración]]></journal-title>
<abbrev-journal-title><![CDATA[Contad. Adm]]></abbrev-journal-title>
<issn>0186-1042</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Contaduría y Administración]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0186-10422016000200334</article-id>
<article-id pub-id-type="doi">10.1016/j.cya.2015.06.002</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Continuously differentiable preferences]]></article-title>
<article-title xml:lang="es"><![CDATA[Preferencias continuamente diferenciables]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García de la Sienra]]></surname>
<given-names><![CDATA[Adolfo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Veracruzana  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<volume>61</volume>
<numero>2</numero>
<fpage>334</fpage>
<lpage>352</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0186-10422016000200334&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0186-10422016000200334&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0186-10422016000200334&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: This is a paper on the foundations of individual rational choice, specifically on the foundations of consumer theory. Neoclassical consumer theory requires that the behavior of the consumer be explained by means of a preference relation, and that all the required properties of the corresponding utility representation be derived from the properties of this relation. Yet, it is not clear what is the meaning of the property of the preference relation required in order to show that it is representable by means of a continuously differentiable C 1 utility function. The aim of the present paper is to propose an explanation of such property and to prove the existence of a C 1 representation.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Este es un artículo sobre los fundamentos de la teoría de la elección racional individual, específicamente sobre los fundamentos de la teoría del consumidor. La teoría neoclásica del consumidor requiere que el comportamiento del consumidor sea explicado mediante una relación de preferencia y que todas las propiedades requeridas de la correspondiente función de utilidad que la represente sean derivadas de las propiedades de esta relación. No obstante, no está claro cuál es el significado de la propiedad de la relación de preferencia requerida para mostrar que la misma es representable mediante una función continuamente diferenciable (C 1). El propósito del presente artículo es proponer una explicación de tal propiedad y demostrar la existencia de una representación.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Preferencias diferenciables]]></kwd>
<kwd lng="es"><![CDATA[Teoría de la utilidad]]></kwd>
<kwd lng="es"><![CDATA[Elección racional]]></kwd>
<kwd lng="es"><![CDATA[Fundamentos de la teoría del consumidor]]></kwd>
<kwd lng="en"><![CDATA[Differentiable preferences]]></kwd>
<kwd lng="en"><![CDATA[Utility theory]]></kwd>
<kwd lng="en"><![CDATA[Rational choice]]></kwd>
<kwd lng="en"><![CDATA[Foundations of consumer theory]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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