<?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>2448-8402</journal-id>
<journal-title><![CDATA[Ensayos. Revista de economía]]></journal-title>
<abbrev-journal-title><![CDATA[Ens. Rev. econ.]]></abbrev-journal-title>
<issn>2448-8402</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma de Nuevo León, a través de la Facultad de Economía con la colaboración del Centro de Investigaciones Económicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-84022017000100001</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[¿Existe memoria larga en mercados bursátiles, o depende del modelo, periodo o frecuencia?]]></article-title>
<article-title xml:lang="en"><![CDATA[Is there Long Memory in Stock Markets, or Does it Depend on the Model, Period or Frequency?]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salazar-Núñez]]></surname>
<given-names><![CDATA[Héctor F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Venegas-Martínez]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calderón-Villareal]]></surname>
<given-names><![CDATA[Cuauhtémoc]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Politécnico Nacional Escuela Superior de Economía ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Politécnico Nacional Escuela Superior de Economía ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Politécnico Nacional Escuela Superior de Economía ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>05</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>05</month>
<year>2017</year>
</pub-date>
<volume>36</volume>
<numero>1</numero>
<fpage>1</fpage>
<lpage>24</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-84022017000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-84022017000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-84022017000100001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El presente trabajo cuestiona si realmente existe memoria larga en los principales mercados accionarios del mundo y, en caso de que esta exista, a qué se debe: ¿al tipo de modelos econométricos empleados, al periodo o la frecuencia de los datos? Para ello, se realiza un análisis comparativo entre modelos ARFIMA y GARCH. Los únicos mercados que mostraron resultados consistentes de memoria larga, independientemente del método, periodo y frecuencia, fueron China y Corea del Sur. El primero tiene memoria larga y el segundo, corta.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This paper analyses the existence of long memory in the major stock markets in the world, and if this is the case, whether it&#8217;s due to the type of econometric models used, the period of study or the frequency of data (intraday, daily, weekly, etc.)? To do this, we perform a comparative analysis between the empirical results of ARFIMA and GARCH models. The stock markets that showed consistent results of long memory, regardless of the method, the period and the frequency were China and South Korea. The first one exhibits long memory, and the other a short one.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Mercados bursátiles]]></kwd>
<kwd lng="es"><![CDATA[Memoria larga]]></kwd>
<kwd lng="es"><![CDATA[Métodos econométricos de series de tiempo]]></kwd>
<kwd lng="en"><![CDATA[Stock Markets]]></kwd>
<kwd lng="en"><![CDATA[Long Memory]]></kwd>
<kwd lng="en"><![CDATA[Time Series Econometric Models]]></kwd>
</kwd-group>
</article-meta>
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