<?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>1870-0578</journal-id>
<journal-title><![CDATA[Mexican law review]]></journal-title>
<abbrev-journal-title><![CDATA[Mex. law rev]]></abbrev-journal-title>
<issn>1870-0578</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Investigaciones Jurídicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-05782017000100003</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Understanding Constitutional Amendments in Mexico: Perpetuum Mobile Constitution]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivera León]]></surname>
<given-names><![CDATA[Mauro Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Iberoamericana  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<volume>9</volume>
<numero>2</numero>
<fpage>3</fpage>
<lpage>27</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-05782017000100003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-05782017000100003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-05782017000100003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: In spite of being formally rigid, the Mexican Constitution is frequently amended. In this article, I analyze the constitutional amendment procedure in order to understand the causes, consequences and potential solutions of the accelerated rhythm of constitutional amendments in Mexico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: A pesar de ser formalmente rígida, la Constitución mexicana ha sido reformada con gran frecuencia. En el presente artículo se analiza el procedimiento de reforma constitucional para entender las causas, consecuencias y potenciales soluciones al acelerado ritmo de reformas constitucionales en México.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Constitutional amendment]]></kwd>
<kwd lng="en"><![CDATA[rigid constitutions]]></kwd>
<kwd lng="en"><![CDATA[flexible constitutions]]></kwd>
<kwd lng="es"><![CDATA[Reforma constitucional]]></kwd>
<kwd lng="es"><![CDATA[Constituciones rígidas]]></kwd>
<kwd lng="es"><![CDATA[Constituciones flexibles]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Starre und flexible Verfassungen]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pace]]></surname>
<given-names><![CDATA[Alessandro]]></given-names>
</name>
</person-group>
<source><![CDATA[Jahrbuch des öffentlichen Rechts der Gegenwart]]></source>
<year>2001</year>
<numero>49</numero>
<issue>49</issue>
<page-range>90</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valadés]]></surname>
<given-names><![CDATA[Diego]]></given-names>
</name>
</person-group>
<source><![CDATA[La Constitución reformada 11]]></source>
<year>1987</year>
<publisher-name><![CDATA[IIJ-UNAM]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[El cálculo del quorum en la Cámara de Diputados: una interpretación del artículo 63 constitucional]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valadés]]></surname>
<given-names><![CDATA[Diego]]></given-names>
</name>
<name>
<surname><![CDATA[Serna]]></surname>
<given-names><![CDATA[José María]]></given-names>
</name>
</person-group>
<source><![CDATA[Boletín Mexicano de Derecho Comparado]]></source>
<year>2003</year>
<numero>108</numero>
<issue>108</issue>
<page-range>1038- 1052</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[David]]></surname>
<given-names><![CDATA[Edward]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Community&#8217;s constitution- Rigid or Flexible? The Contemporary Relevance of the Constitutional Thinking of James Bruce]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Curtin]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Heukels]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Institutional Dynamics of European Integration: Essays in Honour of Henry G Schermes]]></source>
<year>1994</year>
<page-range>63- 73</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Ampliación de los periodos de sesiones ordinarias del Congreso Federal]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Campos]]></surname>
<given-names><![CDATA[Gonzalo]]></given-names>
</name>
</person-group>
<source><![CDATA[Quorum]]></source>
<year>2007</year>
<numero>89</numero>
<issue>89</issue>
<page-range>72</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[La garantie juridictionnelle de la Constitution]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kelsen]]></surname>
<given-names><![CDATA[Hans]]></given-names>
</name>
</person-group>
<source><![CDATA[Revue du Droit Public et de la Science Politique]]></source>
<year>1928</year>
<volume>35</volume>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Flores]]></surname>
<given-names><![CDATA[Imer B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La Constitución de 1857 y sus reformas: a 150 años de su promulgación]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Valadés]]></surname>
<given-names><![CDATA[Diego]]></given-names>
</name>
<name>
<surname><![CDATA[Carbonell]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
</person-group>
<source><![CDATA[El proceso constituyente mexicano: a 150 años de la Constitución de 1857 y 90 de la Constitución de 1917]]></source>
<year>2007</year>
<page-range>320- 324</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bryce]]></surname>
<given-names><![CDATA[James]]></given-names>
</name>
</person-group>
<source><![CDATA[Constitutions]]></source>
<year>1905</year>
<page-range>7</page-range><publisher-name><![CDATA[Oxford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[La problemática de los límites del poder de reforma constitucional en la Constitución de Cádiz]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tajadura]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
</person-group>
<source><![CDATA[Historia Constitucional]]></source>
<year>2012</year>
<numero>13</numero>
<issue>13</issue>
<page-range>267</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[¿Se necesita una nueva Constitución en México? Algunas reflexiones y seis propuestas]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carpizo]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
</person-group>
<source><![CDATA[Cuestiones Constitucionales]]></source>
<year>2011</year>
<numero>24</numero>
<issue>24</issue>
<page-range>141- 167</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Soberanes]]></surname>
<given-names><![CDATA[José María]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis formal de las reformas constitucionales]]></source>
<year>2015</year>
<page-range>3</page-range><publisher-name><![CDATA[IIJ-UNAM]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hesse]]></surname>
<given-names><![CDATA[Konrad]]></given-names>
</name>
</person-group>
<source><![CDATA[die Normative Kraft der Verfassung]]></source>
<year>1959</year>
<page-range>15</page-range><publisher-name><![CDATA[C.B Mohr]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[De la rigidez teórica a la flexibilidad material: un análisis del procedimiento de reforma constitucional en México (1917-2012)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rivera]]></surname>
<given-names><![CDATA[Mauro Arturo]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista Iberoamericana de Derecho Procesal Constitucional]]></source>
<year>2013</year>
<page-range>171- 195</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rivera]]></surname>
<given-names><![CDATA[Mauro Arturo]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Las otras constituciones: el constitucionalismo local en la encrucijada de la reforma constitucional]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Andrews]]></surname>
<given-names><![CDATA[Catherine]]></given-names>
</name>
</person-group>
<source><![CDATA[Miradas a la historia constitucional de México]]></source>
<year>2015</year>
<page-range>221- 242</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Notas sobre la reforma constitucional en México]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carbonell]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista de la Facultad de Derecho de México]]></source>
<year>2006</year>
<numero>245</numero>
<issue>245</issue>
<page-range>229</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Las minorías parlamentarias en la reforma constitucional]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Eraña]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
</person-group>
<source><![CDATA[Anuario del Departamento de Derecho de la Universidad Iberoamericana]]></source>
<year>2004</year>
<numero>33</numero>
<issue>33</issue>
<page-range>155- 156</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Classifying Constitutions: Preliminary conceptual analysis]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pasquino]]></surname>
<given-names><![CDATA[Pasquale]]></given-names>
</name>
</person-group>
<source><![CDATA[Cardozo L. Rev.]]></source>
<year>2013</year>
<volume>34</volume>
<numero>999</numero>
<issue>999</issue>
<page-range>1016- 1017</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
