<?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>0301-7036</journal-id>
<journal-title><![CDATA[Problemas del desarrollo]]></journal-title>
<abbrev-journal-title><![CDATA[Prob. Des]]></abbrev-journal-title>
<issn>0301-7036</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Investigaciones Económicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0301-70362020000400085</article-id>
<article-id pub-id-type="doi">10.22201/iiec.20078951e.2020.203.69527</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[El efecto de los paquetes tecnológicos en la productividad del maíz en Ecuador]]></article-title>
<article-title xml:lang="en"><![CDATA[The effect of technological packages on maize productivity in Ecuador]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Arizo]]></surname>
<given-names><![CDATA[Víctor Hugo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández Sastre]]></surname>
<given-names><![CDATA[Juan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Investigaciones Agropecuarias  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Facultad Latinoamericana de Ciencias Sociales  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</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>51</volume>
<numero>203</numero>
<fpage>85</fpage>
<lpage>110</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0301-70362020000400085&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0301-70362020000400085&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0301-70362020000400085&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El presente artículo analiza el efecto de la adopción del maíz híbrido en la productividad por hectárea, utilizando datos de 1 622 productores de Ecuador. En particular, se estudia si existen diferencias entre los productores que lo adoptaron por cuenta propia, frente a los que lo hicieron a través de un paquete tecnológico -parcialmente subvencionado por el Estado-, que además de la semilla híbrida incluía tecnologías complementarias, capacitaciones y asistencias técnicas. Los resultados indican que la adopción de semilla híbrida influyó positivamente en la productividad por hectárea, independiente de que ésta fuese adoptada por cuenta propia o a través del paquete tecnológico; aunque el efecto fue mayor sin duda para los productores que adoptaron el paquete tecnológico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This article analyzes the effect of adopting hybrid maize on productivity per hectare, using data obtained from 1 622 producers in Ecuador. Special attention is given to examining whether there are differences between producers who adopted maize independently and those who did so through a technological package -partially subsidized by the state- which, in addition to hybrid seed, included complementary technologies, training, and technical assistance. The findings show that adopting hybrid seed had a positive impact on productivity per hectare, regardless of whether it was adopted independently or as part of a technological package. However, producers who adopted the technological package clearly saw the greatest increase in productivity.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[tecnología agrícola]]></kwd>
<kwd lng="es"><![CDATA[paquetes tecnológicos]]></kwd>
<kwd lng="es"><![CDATA[productividad]]></kwd>
<kwd lng="es"><![CDATA[productores agrícolas]]></kwd>
<kwd lng="es"><![CDATA[maíz híbrido]]></kwd>
<kwd lng="es"><![CDATA[O13]]></kwd>
<kwd lng="es"><![CDATA[O32]]></kwd>
<kwd lng="es"><![CDATA[O33]]></kwd>
<kwd lng="es"><![CDATA[O38]]></kwd>
<kwd lng="es"><![CDATA[Q16]]></kwd>
<kwd lng="es"><![CDATA[Q18]]></kwd>
<kwd lng="en"><![CDATA[agricultural technology]]></kwd>
<kwd lng="en"><![CDATA[technological packages]]></kwd>
<kwd lng="en"><![CDATA[productivity]]></kwd>
<kwd lng="en"><![CDATA[agricultural producers]]></kwd>
<kwd lng="en"><![CDATA[hybrid maize]]></kwd>
</kwd-group>
</article-meta>
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