<?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>2448-6655</journal-id>
<journal-title><![CDATA[Análisis económico]]></journal-title>
<abbrev-journal-title><![CDATA[Anál. econ.]]></abbrev-journal-title>
<issn>2448-6655</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma Metropolitana, Unidad Azcapotzalco, División de Ciencias Sociales y Humanidades]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-66552022000300181</article-id>
<article-id pub-id-type="doi">10.24275/uam/azc/dcsh/ae/2022v37n96/baez</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Differences in efficiency between Formal and Informal micro-firms in Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Diferencias de eficiencia entre micronegocios formales e informales en México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Baez Morales]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Guanajuato  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>37</volume>
<numero>96</numero>
<fpage>181</fpage>
<lpage>200</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-66552022000300181&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-66552022000300181&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-66552022000300181&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The economic role of micro firms is still the subject of much discussion and debate. While these firms can be seen as potential growth driver, a relatively high share of micro firms can also be a sign of an underdeveloped productive system. This research separates formal and informal micro firms to test whether there are efficiency differences between them, and to explain these differences. One of the novelties of the study is the use of the Oaxaca-Blinder decomposition method. Micro firms in Mexico are taken as a case study, with the ENAMIN, for 2008, 2010 and 2012, used to carry out the analysis. The empirical evidence suggests that output differences can be explained by endowment characteristics, while efficiency differences are explained by endowment returns. The main variables to explain the gap between the groups are the owner&#8217;s level of education, the firm&#8217;s age, the owner&#8217;s motivations, and financing.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las microempresas pueden ser vistas como potenciales canales de crecimiento, una gran proporción de los micronegocios también pueden ser vistos como signos de un sistema productivo subdesarrollado. Esta investigación hace la separación de micronegocios formales e informales para evaluar si hay diferencias entre estos grupos. Una de las novedades del estudio es el uso del método de descomposición Oaxaca-Blinder. Los micronegocios en México son tomados como caso de estudio, con el uso de la ENAMIN para los años de 2008, 2010 y 2012. La evidencia empírica sugiere que las diferencias de output pueden ser explicadas por las características de dotación, mientras que las diferencias de eficiencia son explicadas por los retornos de las dotaciones. Las principales variables para explicar la brecha entre grupos formales e informales son los niveles de educación, la edad del micronegocio, las motivaciones del dueño para abrir el negocio y el financiamiento.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[informality]]></kwd>
<kwd lng="en"><![CDATA[micro-firms]]></kwd>
<kwd lng="en"><![CDATA[efficiency]]></kwd>
<kwd lng="en"><![CDATA[productivity]]></kwd>
<kwd lng="en"><![CDATA[decomposition method]]></kwd>
<kwd lng="es"><![CDATA[informalidad]]></kwd>
<kwd lng="es"><![CDATA[micronegocios]]></kwd>
<kwd lng="es"><![CDATA[eficiencia]]></kwd>
<kwd lng="es"><![CDATA[productividad]]></kwd>
<kwd lng="es"><![CDATA[método de descomposición]]></kwd>
</kwd-group>
</article-meta>
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