<?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>2448-718X</journal-id>
<journal-title><![CDATA[El trimestre económico]]></journal-title>
<abbrev-journal-title><![CDATA[El trimestre econ]]></abbrev-journal-title>
<issn>2448-718X</issn>
<publisher>
<publisher-name><![CDATA[Fondo de Cultura Económica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-718X2024000100211</article-id>
<article-id pub-id-type="doi">10.20430/ete.v91i361.2197</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Las leyes de los rendimientos en condiciones de competencia]]></article-title>
<article-title xml:lang="en"><![CDATA[The laws of returns under competitive conditions]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sraffa]]></surname>
<given-names><![CDATA[Piero]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,aff1  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Italy</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<volume>91</volume>
<numero>361</numero>
<fpage>211</fpage>
<lpage>232</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-718X2024000100211&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-718X2024000100211&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-718X2024000100211&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El presente artículo de Sraffa es uno de los trabajos que más revolucionaron el pensamiento económico en las primeras décadas del siglo XX, y es el punto de arranque, si no de muchos libros, sí de una tendencia que cada vez se extiende más en toda la literatura económica, en el sentido de modificar la teoría tradicional del valor de acuerdo con la idea de la competencia imperfecta o monopolística.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This article by Sraffa is one of the works that most revolutionized economic thought in the first decades of the 20th century, and is the starting point, if not for many books, then for a trend that is increasingly spreading throughout economic literature in the sense of modifying the traditional theory of value following the idea of imperfect or monopolistic competition.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[teoría económica]]></kwd>
<kwd lng="es"><![CDATA[teoría del valor]]></kwd>
<kwd lng="es"><![CDATA[producción]]></kwd>
<kwd lng="es"><![CDATA[régimen de competencia]]></kwd>
<kwd lng="es"><![CDATA[D41]]></kwd>
<kwd lng="es"><![CDATA[D46]]></kwd>
<kwd lng="es"><![CDATA[D47]]></kwd>
<kwd lng="en"><![CDATA[Economic theory]]></kwd>
<kwd lng="en"><![CDATA[theory of value]]></kwd>
<kwd lng="en"><![CDATA[production]]></kwd>
<kwd lng="en"><![CDATA[regime of competence]]></kwd>
<kwd lng="en"><![CDATA[D41]]></kwd>
<kwd lng="en"><![CDATA[D46]]></kwd>
<kwd lng="en"><![CDATA[D47]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
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</name>
</person-group>
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</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
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</name>
</person-group>
<source><![CDATA[Principles of Economics]]></source>
<year>1920</year>
<publisher-loc><![CDATA[Londres ]]></publisher-loc>
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</nlm-citation>
</ref>
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<person-group person-group-type="author">
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</name>
</person-group>
<source><![CDATA[Principles of Political Economy]]></source>
<year>1883</year>
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</nlm-citation>
</ref>
</ref-list>
</back>
</article>
