<?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>0188-3380</journal-id>
<journal-title><![CDATA[Economía: teoría y práctica]]></journal-title>
<abbrev-journal-title><![CDATA[Econ: teor. práct]]></abbrev-journal-title>
<issn>0188-3380</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma Metropolitana, a través de la Unidad Iztapalapa, la Unidad Azcapotzalco y la Unidad Xochimilco, División de Ciencias Sociales]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-33802018000200065</article-id>
<article-id pub-id-type="doi">10.24275/etypuam/ne/492018/aguilera</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Calificación laboral y desigualdad salarial: un ejercicio metodológico por conglomerados]]></article-title>
<article-title xml:lang="en"><![CDATA[Labor Qualification and Wage Inequality: a Methodological Exercise by Conglomerates]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilera Fernández]]></surname>
<given-names><![CDATA[Albany]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castro Lugo]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Coahuila  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Coahuila  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<numero>49</numero>
<fpage>65</fpage>
<lpage>91</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-33802018000200065&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-33802018000200065&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-33802018000200065&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN En numerosos estudios relacionados con el análisis del mercado laboral, se ha requerido de emplear alguna clasificación de mano de obra de acuerdo con su grado de calificación; sin embargo, no existe un fundamento teórico que precise una alternativa para medir la calificación de los individuos. Tradicionalmente ésta se ha aproximado por años de estudio, nivel de escolaridad, ocupación que desarrolla o monto de las remuneraciones que percibe. El objetivo de este documento es presentar una propuesta metodológica basada en la técnica de conglomerados jerárquico aglomerativo que clasifica a la fuerza de trabajo en función de su nivel de calificación y, para ello, se toma como ejemplo el caso de México. Se consideran datos ocupacionales, nivel educativo y salario promedio para integrar tres categorías de trabajadores con características similares: calificados, semi calificados y no calificados. Los principales resultados confirman que el criterio seleccionado de clasificación de trabajadores influye en los valores de disparidad salarial.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT In many studies related to the labor market analysis, it has been requested to have a classification according to skill level; however, there is no theoretical basis that provides an alternative to measure the workers skills. Traditionally, this is approximate by the education level, the employment that the worker develops or the labor remuneration. The main purpose of this study is to present a methodological exercise based on agglomerative hierarchical clustering techniques to classify the labor force according to qualification level. It is presented an example to the case of Mexico. In this case we considered occupational data, educational attainment and average wage to group together three labor categories with similar skill characteristics: skilled, semi-skilled and unskilled workers. The main results confirm that the criterion selected to classify workers influences the wage inequality values.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Calificación laboral]]></kwd>
<kwd lng="es"><![CDATA[método clúster]]></kwd>
<kwd lng="es"><![CDATA[desigualdad salarial]]></kwd>
<kwd lng="es"><![CDATA[comercio]]></kwd>
<kwd lng="en"><![CDATA[Skill Classification]]></kwd>
<kwd lng="en"><![CDATA[cluster method]]></kwd>
<kwd lng="en"><![CDATA[wage inequality]]></kwd>
<kwd lng="en"><![CDATA[trade]]></kwd>
<kwd lng="es"><![CDATA[C14]]></kwd>
<kwd lng="es"><![CDATA[F16]]></kwd>
<kwd lng="es"><![CDATA[J21]]></kwd>
<kwd lng="es"><![CDATA[J24]]></kwd>
<kwd lng="es"><![CDATA[J31]]></kwd>
<kwd lng="en"><![CDATA[C14]]></kwd>
<kwd lng="en"><![CDATA[F16]]></kwd>
<kwd lng="en"><![CDATA[J21]]></kwd>
<kwd lng="en"><![CDATA[J24]]></kwd>
<kwd lng="en"><![CDATA[J31]]></kwd>
</kwd-group>
</article-meta>
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