<?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>S0185-16672016000200073</article-id>
<article-id pub-id-type="doi">10.1016/j.inveco.2016.07.004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[¿Ciencia económica o el arte de hacer economía? Metodología científica y replicaciones en economía]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jesús Romo]]></surname>
<given-names><![CDATA[Verónica De]]></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 ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<volume>75</volume>
<numero>296</numero>
<fpage>73</fpage>
<lpage>110</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-16672016000200073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-16672016000200073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-16672016000200073&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[El objetivo de este artículo es argumentar que para que la economía se fundamente plenamente como una ciencia, y no simplemente como un arte basado en la intuición, se deben seguir ciertos principios científicos. El artículo contribuye al debate sobre la materia, específicamente en dos aspectos metodológicos: 1) el adecuado análisis de datos para la verificación de las hipótesis de una investigación y 2) la replicación de los hallazgos científicos con la finalidad de evaluar a los mismos. El primer aspecto, con base en el enfoque probabilístico de la econometría de Haavelmo (1944), implica que los economistas aseguremos que los supuestos probabilísticos de los modelos estadísticos que utilizamos en nuestras investigaciones se cumplan. El segundo aspecto plantea que las replicaciones son un medio para establecer la fragilidad (derivada por errores del manejo de bases de datos o por la inadecuada especificación de los modelos estadísticos), o la solidez (derivada de la robustez de los resultados ante cambios en el periodo de análisis, en la economía analizada, en la especificación de las variables, en el método de estimación, etc.) de los resultados reportados en una investigación publicada. El artículo contribuye con una ilustración de nuestra propuesta metodológica: se trata de la replicación del artículo de Kakkar (2001), "Long run real exchange rates: evidence from Mexico", publicado en la revista Economics Letters .]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The aim of this article is to argue that for the economics to be fully settled as a science, and not simply as an art based on intuition, it has to follow certain scientific principles. The article contributes to the debate on the matter, specifically on two methodological aspects: 1) the proper analysis of data to confirm the hypothesis of a research, and 2) the replication of scientific findings in order to evaluate them. The first aspect, based on Haavelmo's monograph of 1944 entitled "The probabilistic approach to econometrics", implies that economists should make sure that the probabilistic assumptions of the statistical models used in their research are met. The second aspect suggests that the replications are a means to show the fragility (arose by errors of mishandling databases or inadequate specification of statistical models), or the strength (arose from the robustness of the results from changes in time period, the economy under analysis, the specification of the variables, the estimation methods, etc.) of the results reported in a published research. The article contributes with an illustration of our own methodological proposal: it is a replication of an article by Kakkar (2001), entitled "Long run actual exchange rates: Evidence from Mexico", published in the journal Economics Letters .]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[replicación]]></kwd>
<kwd lng="es"><![CDATA[metodología de la ciencia]]></kwd>
<kwd lng="es"><![CDATA[Economic Letters]]></kwd>
<kwd lng="es"><![CDATA[Kakkar (2001)]]></kwd>
<kwd lng="en"><![CDATA[replication]]></kwd>
<kwd lng="en"><![CDATA[methodology of science]]></kwd>
<kwd lng="en"><![CDATA[Economic Letters]]></kwd>
<kwd lng="en"><![CDATA[Kakkar (2001)]]></kwd>
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