<?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>S0185-16672007000400171</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[La nueva microeconomía dinámica]]></article-title>
<article-title xml:lang="en"><![CDATA[The New Dynamic Microeconomics]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas Sánchez]]></surname>
<given-names><![CDATA[Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Economía Área de Teoría Económica]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2007</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2007</year>
</pub-date>
<volume>66</volume>
<numero>262</numero>
<fpage>171</fpage>
<lpage>204</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-16672007000400171&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-16672007000400171&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-16672007000400171&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La teoría de la oferta en la agenda de la microeconomia ortodoxa se ha orientado ha investigar y analizar las condiciones para demostrar el equilibrio parcial y general de la economía de mercado, por lo que la economía neoclásica no cuenta con una teoría económica de la empresa. Este no es el caso de la microeconomia moderna, o dinámica, que aunque en proceso de construcción, sí cuenta con una teoría de la unidad productora. El análisis de la empresa debe ser por su naturaleza dinámico. En este trabajo analizamos tres características estructurales internas de la misma que apoyan dicho argumento: la estructura productiva y la organización, los costos y el proceso de fijación de precios, que constituyen lo que definimos como los fundamentos micro-estructurales de su comportamiento. Estos rasgos fundamentales de la misma nos permitirán comprender su evolución y complejidad. La dinámica aquí analizada nos ofrece una explicación, por una parte, de los procesos de concentración y acumulación en la economía real, y por otra, contribuye al debate y el análisis teórico que involucra este fenómeno. Subrayamos la importancia de las tesis de fijación de precios y la relevancia de la demanda efectiva como determinante del empleo y la ocupación a nivel de la empresa. El argumento central consiste en que la empresa posee características estructurales que determinan que sea fundamentalmente dinámica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The theory of supply in orthodox microeconomics' agenda is focused on the investigation and analysis of the conditions to demonstrate partial and general economics equilibrium. Therefore, the neoclassical economics does not contain an economic theory of the real firm. This is not the case in modern microeconomics, or dynamic microeconomics, which even though it is in process of construction, it provides us with an useful theory to understand enterprise performance. The new microeconomics is dynamic because of the nature of the corporation. In that sense in this paper we are analyzing three internal and structural characteristics of the capitalist enterprise: its productive structure, analysis of costs and price theory. All of the above constitute what we define as the micro-structure which determines the firm's dynamics. This theoretical explanation of the enterprise's dynamism allows us to explain on one hand the processes of concentration and accumulation in the real economy, and on the other hand, contribute to the field of debate and theoretical analysis. This paper underlines the importance of unorthodox price theory and the relevancy of effective demand to determine employment at microeconomics level. The central argument is: the capitalist firm possesses structural characteristics which result on its being fundamentally dynamic.]]></p></abstract>
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