<?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>0185-1667</journal-id>
<journal-title><![CDATA[Investigación económica]]></journal-title>
<abbrev-journal-title><![CDATA[Inv. Econ]]></abbrev-journal-title>
<issn>0185-1667</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Economía]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0185-16672002000200129</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[La paradoja de Ronald Coase]]></article-title>
<article-title xml:lang="en"><![CDATA[The paradox of Ronald Coase]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bertrand]]></surname>
<given-names><![CDATA[Elodie]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de París I (Panthéon-Sorbonne) Grupo de Investigación en Epistemología y Socio-Economía ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>France</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2002</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2002</year>
</pub-date>
<volume>62</volume>
<numero>240</numero>
<fpage>129</fpage>
<lpage>146</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-16672002000200129&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-16672002000200129&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-16672002000200129&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Este artículo se propone situar el origen de la "paradoja" que constituye Coase, cuya obra sirve de referencia tanto a los neoclásicos como a los que los critican. Coase dice criticar los primeros, en nombre del "realismo", al darle importancia a las instituciones. Pero en el resultado que lo hizo famoso, llamado corrientemente 'Teorema de Coase", se apoya de manera decisiva sobre la teoría que critica -especialmente la idea de la eficiencia del sistema de precios- sin darse cuenta de ello, por lo menos aparentemente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Our intention, in this article, is to shed some light on the paradoxical fact that Ronald Coase is quoted as a reference both by neoclassical economists as by critics of this school. By appealing to "realism", and introducing institutions into the framework of his analysis, Coase appears as a critic of neoclassical theory. But. in the result he is most famous for -the so called "Coase Theorem" -he relies heavily on certain elements of the very theory that he is supposed to be critical of, namely the assumption of "efficiency of the price system". And he does not seem aware of the dependency of his result upon this assumption.]]></p></abstract>
</article-meta>
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