<?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>0121-4772</journal-id>
<journal-title><![CDATA[Cuadernos de Economía]]></journal-title>
<abbrev-journal-title><![CDATA[Cuad. Econ.]]></abbrev-journal-title>
<issn>0121-4772</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-47722020000300919</article-id>
<article-id pub-id-type="doi">10.15446/cuad.econ.v39n81.60530</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[ESCALA PARA MEDIR LA CONCENTRACIÓN DE LOS SECTORES DE LA ECONOMÍA MEXICANA MEDIANTE EL COEFICIENTE DE ZIPF]]></article-title>
<article-title xml:lang="en"><![CDATA[A scale to measure the concentration of the economic sectors of México using the Zipf coefficient]]></article-title>
<article-title xml:lang="pt"><![CDATA[Escala para medir a concentração dos setores da economia mexicana mediante o coeficiente de Zipf]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Oliva]]></surname>
<given-names><![CDATA[Juan Josué]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alcaraz]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mansilla-Corona]]></surname>
<given-names><![CDATA[Ricardo Lino]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico y de Estudios Superiores de Monterrey  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Pontificia Universidad Javeriana  ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Autónoma de México  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>39</volume>
<numero>81</numero>
<fpage>919</fpage>
<lpage>947</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-47722020000300919&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-47722020000300919&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-47722020000300919&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Este artículo demostró que la distribución de las ventas, la utilidad neta, los activos y el número de empleados de las quinientas empresas más grandes de México siguen la ley de Zipf. Luego de calcular los coeficientes de Zipf para el periodo de 2006 a 2017, estos fueron usados para crear una escala que mide tres distintos niveles de intensidad de competencia entre empresas, en seis sectores de la economia mexicana. Esta escala indica cuándo el sector está concentrado y cuándo se favorece la creación o destruction de empresas. También se encontró el principio de Pareto en el comportamiento de las variables estudiadas. JEL: C22; L13; L43; M21.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT This paper shows that the distribution of sales, net profit, assets and number of employees of the 500 largest companies in Mexico follow the Zipf Law. After calculating the Zipf coefficients for the period 2006-2017, they were used to create a scale that measures three different levels of intensity of competition among companies in six sectors of the Mexican economy. This scale indicates when the economic sector is concentrated and when the creation or destruction of companies is favoured. The Pareto principle was also found in the behaviour of the variables studied. JEL: C22; L13; L43; M21.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO Este artigo demonstrou que a distribuição das vendas, a utilidade liquida, os ativos e o número de empregados das maiores quinhentas empresas do México seguem a lei de Zipf. Após calcular os coeficientes de Zipf para o período de 2006 a 2017, estes foram usados para criar uma escala que mede três distintos niveis de intensidade de competência entre empresas, em seis setores da economia mexicana. Esta escala indica quando o setor está concentrado e quando está favorável à criação ou destruição de empresas. Também revelou o principio de Pareto no comportamento das variáveis estudadas. JEL: C22; L13; L43; M21.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[coeficiente de Zipf]]></kwd>
<kwd lng="es"><![CDATA[concentration económica]]></kwd>
<kwd lng="es"><![CDATA[principio de Pareto]]></kwd>
<kwd lng="es"><![CDATA[emprendimiento corporativo]]></kwd>
<kwd lng="es"><![CDATA[grandes corporaciones]]></kwd>
<kwd lng="en"><![CDATA[Zipf coefficient]]></kwd>
<kwd lng="en"><![CDATA[economic concentration]]></kwd>
<kwd lng="en"><![CDATA[Pareto principle]]></kwd>
<kwd lng="en"><![CDATA[corporate entrepreneurship]]></kwd>
<kwd lng="en"><![CDATA[large corporations]]></kwd>
<kwd lng="pt"><![CDATA[coeficiente de Zipf]]></kwd>
<kwd lng="pt"><![CDATA[concentração económica]]></kwd>
<kwd lng="pt"><![CDATA[principio de Pareto]]></kwd>
<kwd lng="pt"><![CDATA[empreendimento corporativo]]></kwd>
<kwd lng="pt"><![CDATA[grandes corporações]]></kwd>
</kwd-group>
</article-meta>
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