<?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>S2448-84022018000100077</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Determinantes del aumento o disminución de empresas: Análisis por entidad federativa y estrato de edad]]></article-title>
<article-title xml:lang="en"><![CDATA[The Determinants of the Increase and Decrease in the Number of Firms: An Analysis by State and Age Stratum]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valdez]]></surname>
<given-names><![CDATA[Rolando I.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Noda Ramírez]]></surname>
<given-names><![CDATA[Eder J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Baja California  ]]></institution>
<addr-line><![CDATA[Tijuana Baja California]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Baja California  ]]></institution>
<addr-line><![CDATA[Tijuana Baja California]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<volume>37</volume>
<numero>1</numero>
<fpage>77</fpage>
<lpage>98</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-84022018000100077&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-84022018000100077&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-84022018000100077&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este trabajo, se pone a prueba la hipótesis de que los mismos factores afectan de manera distinta el aumento o disminución de empresas, según su edad. Para ello, se usan dos modelos de datos panel, cuya variable dependiente es el estrato de edad de la empresa: recién nacida, joven, adulta y mayor. En total, se estiman ocho ecuaciones utilizando variables explicativas de tipo económico y social. Entre los resultados más importantes destaca que el PIB, PIB per cápita, la TIIE, la Tasa de interés bancaria y la liquidez de la economía ejercen el mismo efecto, ceteris paribus, sobre la cantidad de empresas, independientemente de su edad. No obstante, la migración y la inseguridad afectan solo a las empresas recién nacidas y a las jóvenes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In this present study, the hypothesis that is tested is that the same factors diversely affect the ups and downs in the number of firms, taking into consideration their age. To prove this, there are two specific panel data models, whose dependent variable is the firm&#8217;s age stratum: infant, young, adult and elderly. Overall, eight equations are estimated, taking into account economic and social explanatory variables as well. The main results highlight that gdp, gdp per cápita, the interest rate, the banking interest rate and economic liquidity equally impact, ceteris paribus, the number of firms, independent to their age. However, migration and social insecurity impact only infant firms as well as young firms.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Edad de empresas]]></kwd>
<kwd lng="es"><![CDATA[determinantes]]></kwd>
<kwd lng="es"><![CDATA[datos panel]]></kwd>
<kwd lng="en"><![CDATA[Firm&#8217;s age]]></kwd>
<kwd lng="en"><![CDATA[Determinants]]></kwd>
<kwd lng="en"><![CDATA[Panel data]]></kwd>
</kwd-group>
</article-meta>
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