<?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>0122-8706</journal-id>
<journal-title><![CDATA[Ciencia y Tecnología Agropecuaria]]></journal-title>
<abbrev-journal-title><![CDATA[Cienc. Tecnol. Agropecuaria]]></abbrev-journal-title>
<issn>0122-8706</issn>
<publisher>
<publisher-name><![CDATA[Corporación Colombiana de Investigación Agropecuaria - Corpoica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0122-87062022000200019</article-id>
<article-id pub-id-type="doi">10.21930/rcta.vol23_num2_art:2518</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[A Vector Error Correction Model to Estimate Potato Supply Response in Colombia]]></article-title>
<article-title xml:lang="es"><![CDATA[Un modelo de corrección de errores vectoriales para estimar la respuesta de la oferta de papa en Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cancino Escalante]]></surname>
<given-names><![CDATA[Giovanni Orlando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cancino]]></surname>
<given-names><![CDATA[Susan Elsa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cancino Ricketts]]></surname>
<given-names><![CDATA[Daniel Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Pamplona  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Pamplona  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Pontificia Universidad Javeriana  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2022</year>
</pub-date>
<volume>23</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0122-87062022000200019&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0122-87062022000200019&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0122-87062022000200019&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The present study aims to investigate the relationship between potato output supply and potato and fertilizer prices in Colombia using 2003-2018 time series data. Johansen&#8217;s cointegration and the vector error correction framework were employed, and Granger and diagnostic tests were performed. The empirical results show a strong causal relationship between the variables and that the signs and the magnitude of coefficients are statistically significant. Potato and fertilizer prices are inelastic, and the speed adjustment coefficient of 70% implies that it takes a short time for farmers to respond to price movements. It can be concluded that own-price and fertilizer prices are significant in determining output supply responsiveness in both the short and long run.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo del presente estudio fue investigar la relación entre la producción de papa y los precios de la papa y de los fertilizantes en Colombia utilizando datos de series temporales del 2003-2018. Se utilizó el análisis de cointegración de Johansen y el modelo de corrección de errores y se realizaron pruebas de diagnóstico y de Granger. Los resultados empíricos mostraron que los signos y la magnitud de los coeficientes fueron estadísticamente significativos y que había una fuerte relación causal entre las variables. Los precios de la papa y de los fertilizantes fueron inelásticos y el coeficiente de ajuste de velocidad del 70 % implica que los agricultores tardan poco en responder a los movimientos de los precios. Se puede concluir que los precios de la papa y de los fertilizantes fueron significativos para determinar la capacidad de respuesta de la oferta de papa a corto y largo plazo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Agricultural supply response]]></kwd>
<kwd lng="en"><![CDATA[potato prices]]></kwd>
<kwd lng="en"><![CDATA[cointegration]]></kwd>
<kwd lng="en"><![CDATA[vector error correction]]></kwd>
<kwd lng="es"><![CDATA[oferta]]></kwd>
<kwd lng="es"><![CDATA[precio de la papa]]></kwd>
<kwd lng="es"><![CDATA[cointegración]]></kwd>
<kwd lng="es"><![CDATA[corrección de errores]]></kwd>
</kwd-group>
</article-meta>
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</name>
<name>
<surname><![CDATA[Xu]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[H.]]></given-names>
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<name>
<surname><![CDATA[Dai]]></surname>
<given-names><![CDATA[X.]]></given-names>
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</person-group>
<article-title xml:lang=""><![CDATA[Progress of potato staple food research and industry development in China]]></article-title>
<source><![CDATA[Journal of Integrative Agriculture]]></source>
<year>2017</year>
<volume>16</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>2924-32</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
