<?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>2448-718X</journal-id>
<journal-title><![CDATA[El trimestre económico]]></journal-title>
<abbrev-journal-title><![CDATA[El trimestre econ]]></abbrev-journal-title>
<issn>2448-718X</issn>
<publisher>
<publisher-name><![CDATA[Fondo de Cultura Económica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-718X2012000400905</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Capital social de hogares de escasos recursos en la Ciudad de México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Durán]]></surname>
<given-names><![CDATA[Juan José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gregorio-Domínguez]]></surname>
<given-names><![CDATA[M. Mercedes]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Merino Sanz]]></surname>
<given-names><![CDATA[María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,ITAM División Académica de Actuaría, Estadística y Matemáticas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,ITAM División Académica de Actuaría, Estadística y Matemáticas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,ITAM División Académica de Administración y Contaduría ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2012</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2012</year>
</pub-date>
<volume>79</volume>
<numero>316</numero>
<fpage>905</fpage>
<lpage>928</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-718X2012000400905&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-718X2012000400905&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-718X2012000400905&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El capital social se puede definir como la capacidad de personas o grupos de obtener beneficios por medio del uso de redes sociales (Robinson, Siles y Schmid y, Flores y Rello, 2003). En el presente artículo se utilizan los datos de la segunda ronda de entrevistas del Panel de Hogares de Escasos Recursos en la Delegación Álvaro Obregón, México, Distrito Federal (PAO), para ajustar modelos de regresión con variables instrumentales con el objetivo de identificar variables asociadas al capital social en redes sociales que sean significativas para explicar el porcentaje del ingreso que los hogares de PAO suelen gastar en comida. Además, se presenta un análisis factorial para identificar las variables medidas en PAO que están relacionadas con las dimensiones de confianza, redes sociales y aceptación de normas sociales que constituyen el concepto de capital social.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Social capital can be defined as the capacity of individuals or groups to obtain benefits by participating in social networks (Robinson, Siles and Schmid and, Flores and Rello in Atria and Siles eds. 2003). In this paper, we use data from the second round of the Panel of Low Income Households in the Delegación Álvaro Obregón, México, D.F. (PAO) to fit regression models with instrumental variables in order to identify significant proxy variables related to the social capital in social networks to explain the percentage of income that households in PAO spend in food. Also, we present the results of a factor analysis to identify the variables in PAO that are related with the dimensions of trust, social networks and accepted norms that are main elements of the definition of social capital.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[capital social]]></kwd>
<kwd lng="es"><![CDATA[pobreza urbana]]></kwd>
<kwd lng="es"><![CDATA[análisis factorial]]></kwd>
<kwd lng="es"><![CDATA[variables instrumentales]]></kwd>
<kwd lng="es"><![CDATA[mínimos cuadrados bietápicos]]></kwd>
</kwd-group>
</article-meta>
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