<?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>2395-8782</journal-id>
<journal-title><![CDATA[Ciencia ergo sum]]></journal-title>
<abbrev-journal-title><![CDATA[Cienc. ergo-sum]]></abbrev-journal-title>
<issn>2395-8782</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma del Estado de México, Instituto Literario]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2395-87822023000100190</article-id>
<article-id pub-id-type="doi">10.30878/ces.v30n1a8</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis de las actividades primarias en la economía mexicana, 1970-2022]]></article-title>
<article-title xml:lang="en"><![CDATA[Analysis of primary activities in the Mexican economy, 1970-2022]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Torres]]></surname>
<given-names><![CDATA[Yolanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Terrones Cordero]]></surname>
<given-names><![CDATA[Aníbal]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guzmán Soria]]></surname>
<given-names><![CDATA[Eugenio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma del Estado de Hidalgo  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma del Estado de Hidalgo  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Tecnológico de Celaya  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>30</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2395-87822023000100190&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2395-87822023000100190&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2395-87822023000100190&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se estiman las demandas de mano de obra, crédito de la banca de desarrollo, fertilizantes nitrogenados, tractores y fertilizantes fosfatados-potásicos de las actividades primarias de México durante 1970-2019 mediante la función de costo translog. Los cinco insumos resultaron inelásticos. La mano de obra, fertilizantes y tractores incrementan la producción primaria en México. A saber, la mano de obra es complementaria con los fertilizantes nitrogenados y el crédito de la banca de desarrollo se sustituye con todos los insumos. Para 2022, se requieren aumentos mayores a 1.10%, 0.14% y 0.08% de la mano de obra, tractores y fertilizantes nitrogenados respectivamente para garantizar crecimiento de las actividades primarias.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The objective of this research was to estimate the demands for labor, development bank credit, nitrogen fertilizers, tractors and phosphate-potassium fertilizers of primary activities of Mexico during 1970-2019, using the function cost translog. All five inputs were inelastic. Labor, fertilizers and tractors increase the primary production in Mexico. Labor was complementary with nitrogen fertilizers, and development bank credit showed a relation of substitution with all inputs. By 2022, increases greater than 1.10%, 0.14% and 0.08% of labor, tractors and nitrogen fertilizers respectively are required to guarantee growth of primary activities.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[actividades primarias]]></kwd>
<kwd lng="es"><![CDATA[función de costo translog]]></kwd>
<kwd lng="es"><![CDATA[mecanización]]></kwd>
<kwd lng="es"><![CDATA[fertilizantes]]></kwd>
<kwd lng="es"><![CDATA[demanda de insumos]]></kwd>
<kwd lng="en"><![CDATA[primary activities]]></kwd>
<kwd lng="en"><![CDATA[translog cost function]]></kwd>
<kwd lng="en"><![CDATA[mechanization]]></kwd>
<kwd lng="en"><![CDATA[fertilizers]]></kwd>
<kwd lng="en"><![CDATA[demand of inputs]]></kwd>
</kwd-group>
</article-meta>
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