<?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>1870-3925</journal-id>
<journal-title><![CDATA[Región y sociedad]]></journal-title>
<abbrev-journal-title><![CDATA[Región y sociedad]]></abbrev-journal-title>
<issn>1870-3925</issn>
<publisher>
<publisher-name><![CDATA[El Colegio de Sonora]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-39252019000100142</article-id>
<article-id pub-id-type="doi">10.22198/rys2019/31/1241</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Importancia económica de las ciudades medias en México]]></article-title>
<article-title xml:lang="en"><![CDATA[Mexican Medium-Sized Cities&#8217; Economic Importance]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Meza]]></surname>
<given-names><![CDATA[Mario Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valderrama Santibáñez]]></surname>
<given-names><![CDATA[Ana Lilia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Neme Castillo]]></surname>
<given-names><![CDATA[Omar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Juárez del Estado de Durango Facultad de Economía, Contaduría y Administración ]]></institution>
<addr-line><![CDATA[Durango Durango]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Politécnico Nacional Escuela Superior de Economía Sección de Estudios de Posgrado e Investigación]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Politécnico Nacional Escuela Superior de Economía Sección de Estudios de Posgrado e Investigación]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>31</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-39252019000100142&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-39252019000100142&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-39252019000100142&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El crecimiento urbano en México ha conducido a una participación económica más equitativa de las ciudades de acuerdo con el tamaño de su población. En particular, las ciudades de tamaño medio de población han ganado peso económico. El objetivo del presente trabajo es analizar la importancia de este tipo de aglomeraciones urbanas en la economía del país durante 2000 y 2010. Esto se prueba a través de la metodología planteada por la ley de Zipf, que mide la distribución del tamaño &#8213;económico&#8213; de las ciudades por el coeficiente de Pareto. En términos econométricos, se emplean mínimos cuadrados ordinarios (MCO) con errores estándar robustos y se incluye toda la gama de ciudades considerando regresiones de rangos móviles. Los resultados permiten aceptar la hipótesis de un coeficiente de Pareto menor a la unidad en ambos años para submuestras de mayor tamaño, rechazando, por tanto, la ley de Zipf. En este sentido, se argumenta que las ciudades de tamaño medio de población tienen mayor peso económico relativo que el de cualquier otro tipo de aglomeración urbana.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Mexican urban growth has led to a more equative participation of cities accordingly to their population, where medium-sized cities particularly have gain economic weight. The aim or the paper is to analyse the relevance of this kind of urban agglomerations in the country&#8217;s economy in 2000 and 2010. The methodology set up by Zipf&#8217;s law is used, which measures city size distribution &#8213;as measured by economic indicators&#8213; through Pareto&#8217;s coefficient. Econometrically, ordinary least squares (OLS) with robust standard errors are followed, and all cities&#8217; range is included using moving average regressions. The results accept the hypothesis of a Pareto&#8217;s coefficient below 1 in both years for equal size subsamples. In consequence, Zipf&#8217;s law is rejected. In this sense, the relative higher economic weight of medium-sized cities is accepted.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[ciudades medias]]></kwd>
<kwd lng="es"><![CDATA[distribución de ciudades]]></kwd>
<kwd lng="es"><![CDATA[PIB por ciudades]]></kwd>
<kwd lng="es"><![CDATA[ley de Zipf]]></kwd>
<kwd lng="en"><![CDATA[Medium-sized cities]]></kwd>
<kwd lng="en"><![CDATA[city distribution]]></kwd>
<kwd lng="en"><![CDATA[gross domestic product (GDP) by cities]]></kwd>
<kwd lng="en"><![CDATA[Zipf&#8217;s law]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Acs]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Desai]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Hessels]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Entrepreneurship, economic development and institutions]]></article-title>
<source><![CDATA[Small Business Economics]]></source>
<year>2008</year>
<volume>31</volume>
<page-range>219-34</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Álvarez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Morfología y estructura urbana en las ciudades medias mexicanas]]></article-title>
<source><![CDATA[región y sociedad]]></source>
<year>2017</year>
<volume>29</volume>
<numero>68</numero>
<issue>68</issue>
<page-range>153-91</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="book">
<collab>ATKearney</collab>
<source><![CDATA[Global Cities 2017: Leaders in a World of Disruptive Innovation]]></source>
<year>2017</year>
<publisher-loc><![CDATA[Seúl ]]></publisher-loc>
<publisher-name><![CDATA[A. T. Kearney]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Audretsch]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Belitski]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Desai]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Entrepreneurship and economic development in cities]]></article-title>
<source><![CDATA[Annales of Regional Science]]></source>
<year>2015</year>
<volume>55</volume>
<page-range>33-60</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bajpai Jitendra]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Muzzini]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cities as Growth Accelerators: Fostering National and Urban Development Policies for Success]]></source>
<year>2016</year>
<publisher-loc><![CDATA[Caracas ]]></publisher-loc>
<publisher-name><![CDATA[Corporación Andina de Fomento]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<collab>Banco Mundial</collab>
<source><![CDATA[East Asia&#8217;s Changing Urban Landscape: Measuring a Decade of Spatial Growth]]></source>
<year>2015</year>
<publisher-loc><![CDATA[Washington ]]></publisher-loc>
<publisher-name><![CDATA[Banco Mundial]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Benita]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Regularidades empíricas de la estructura industrial mexicana: evidencia de la ley de Zipf]]></article-title>
<source><![CDATA[Investigación y Ciencia]]></source>
<year>2011</year>
<volume>52</volume>
<page-range>21-6</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Berdegué]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Soloaga]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Small and medium cities and development of Mexican rural areas]]></article-title>
<source><![CDATA[World Development]]></source>
<year>2018</year>
<volume>107</volume>
<page-range>277-88</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Berry]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Okulicz]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The city size distribution debate: resolution for US urban regions and megalopolitan areas]]></article-title>
<source><![CDATA[Cities]]></source>
<year>2012</year>
<volume>29</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>17-23</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Boix]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Networks of Cities and Growth: Theory, Network Identification and Measurement of the Network Externality]]></source>
<year>2003</year>
<publisher-loc><![CDATA[Florencia ]]></publisher-loc>
<publisher-name><![CDATA[Universidad de Florencia]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bolay]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ravinovich]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Villes intermédiaires en Amérique Latine. Risques et potentiels pour un développement urbain cohérent]]></source>
<year>2004</year>
<conf-name><![CDATA[ Seminario internacional Medium-Sized Cities and Globalization: Renewing the Analysis and Strategies]]></conf-name>
<conf-loc>Montreal </conf-loc>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bourne]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Internal Structure of the City]]></source>
<year>1982</year>
<publisher-loc><![CDATA[Nueva York ]]></publisher-loc>
<publisher-name><![CDATA[Oxford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brañas]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Alcalá]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Entropía, aglomeración urbana y la Ley del 1: evidencia para las regiones españolas]]></source>
<year>2014</year>
<publisher-loc><![CDATA[Gran Canaria ]]></publisher-loc>
<publisher-name><![CDATA[XVII Encuentro de Economía Aplicada]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cadena]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Remes]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Manyika]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Building globally competitive cities: the key to Latin American growth]]></source>
<year>2011</year>
<publisher-loc><![CDATA[Nueva York ]]></publisher-loc>
<publisher-name><![CDATA[McKinsey Global Institute]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camagni]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Capello]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Caragliu]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[One or infinite optimal city sizes? In search of an equilibrium size for cities]]></article-title>
<source><![CDATA[The Annals of Regional Science]]></source>
<year>2013</year>
<volume>51</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>309-41</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cheshire]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Magrini]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Medda]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Monastiriotis]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cities are not isolated states]]></source>
<year>2004</year>
<publisher-loc><![CDATA[Londres ]]></publisher-loc>
<publisher-name><![CDATA[London School of Economics and Political Science]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Clark Hon]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Clark]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nations and the Wealth of Cities: a New Phase of Urban Policy]]></source>
<year>2014</year>
<publisher-loc><![CDATA[Londres ]]></publisher-loc>
<publisher-name><![CDATA[Centre for London]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<collab>Consejo Nacional de Población</collab>
<source><![CDATA[Delimitación de las zonas metropolitanas en México 2010]]></source>
<year>2012</year>
<publisher-loc><![CDATA[Ciudad de México ]]></publisher-loc>
<publisher-name><![CDATA[Consejo Nacional de Población]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="">
<collab>Core Cities</collab>
<source><![CDATA[Competitive cities, prosperous people: a core cities prospectus for growth]]></source>
<year>2013</year>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cox]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Longlands]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Role of Small and Medium-Sized Towns and Cities in Growing the Northern Powerhouse]]></source>
<year>2016</year>
<publisher-loc><![CDATA[Manchester ]]></publisher-loc>
<publisher-name><![CDATA[IPPR North]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dahiya]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cities in Asia, 2012: Demographics, economics, poverty, environment and governance]]></article-title>
<source><![CDATA[Cities]]></source>
<year>2012</year>
<volume>29</volume>
<page-range>S44-61</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dijkstra]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Garcilazo]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[McCann]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The economic performance of European cities and city regions: myths and realities]]></article-title>
<source><![CDATA[European Planning Studies]]></source>
<year>2013</year>
<volume>21</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>334-54</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Duranton]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Growing through Cities in Developing Countries]]></source>
<year>2015</year>
<publisher-loc><![CDATA[Oxford ]]></publisher-loc>
<publisher-name><![CDATA[Oxford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Duroudier]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The social and spatial divisions of intermediate cities in the United States]]></article-title>
<source><![CDATA[L&#8217;Espace Géographique]]></source>
<year>2014</year>
<volume>43</volume>
<page-range>134-47</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fang]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Pang]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Global city size hierarchy: spatial patterns, regional features, and implications for China]]></article-title>
<source><![CDATA[Habitat International]]></source>
<year>2017</year>
<volume>66</volume>
<page-range>149-62</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fazio]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Modica]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pareto or log-normal? Best fit and truncation in the distribution of all cities]]></article-title>
<source><![CDATA[Journal of Regional Science]]></source>
<year>2015</year>
<volume>55</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>736-56</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Florida]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Rise of the Creative Class: And How it&#8217;s Transforming Work, Leisure, Community and Everyday Life]]></source>
<year>2002</year>
<publisher-loc><![CDATA[Nueva York ]]></publisher-loc>
<publisher-name><![CDATA[Basic Books]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fritsch]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Mueller]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of new business formation on regional development over time]]></article-title>
<source><![CDATA[Regional Studies]]></source>
<year>2004</year>
<volume>38</volume>
<page-range>961-75</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gabaix]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Zipf&#8217;s Law for cities: an explanation]]></article-title>
<source><![CDATA[Quarterly Journal of Economics]]></source>
<year>1999</year>
<volume>114</volume>
<page-range>739-67</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gabaix]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Ibragimov]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rank -1/2: a simple way to improve the OLS estimation of tail exponentes]]></article-title>
<source><![CDATA[Journal of Business and Economic Statistics]]></source>
<year>2012</year>
<volume>29</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>24-39</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gabaix]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Ioannides]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The evolution of city size distribution]]></article-title>
<source><![CDATA[Handbook of Regional and Urban Economics]]></source>
<year>2004</year>
<volume>4</volume>
<page-range>2431-378</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Giesen]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Suedekum]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Zipf&#8217;s law for cities in the regions and the country]]></article-title>
<source><![CDATA[IZA DP]]></source>
<year>2009</year>
<page-range>3928</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Glaeser]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Triumph of the City: How our Greatest Invention Makes US Richer, Smarter, Greener, Healthier and Happier]]></source>
<year>2011</year>
<publisher-loc><![CDATA[Nueva York ]]></publisher-loc>
<publisher-name><![CDATA[Penguin Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gallegos]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El producto interno bruto de los municipios de México: II. Estados M-Z]]></article-title>
<source><![CDATA[Revista Mexicana de Ciencias Agrícolas]]></source>
<year>2014</year>
<volume>5</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>1405-21</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Grabher]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Marginality as strategy: leveraging peripherality for creativity]]></article-title>
<source><![CDATA[Environment and Planning A]]></source>
<year>2018</year>
<volume>50</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>1785-94</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guerrero]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Lucenti]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Galarza]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Trade logistics and regional integration in Latin America and the Carribean]]></source>
<year>2009</year>
</nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Henderson]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[The effects of urban concentration on economic growth]]></source>
<year>2000</year>
</nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Henderson]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Thisse]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Handbook of Regional and Urban Economics, Cities and Geography]]></source>
<year>2004</year>
<publisher-loc><![CDATA[Amsterdam ]]></publisher-loc>
<publisher-name><![CDATA[Elsevier]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hiernaux]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Lindón]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Desterritorialización y reterritorialziación metropolitana: la Ciudad de México]]></article-title>
<source><![CDATA[Documents d&#8217;Anàlisi Geogràfica]]></source>
<year>2004</year>
<volume>44</volume>
<page-range>71-8</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="">
<collab>Instituto Nacional de Estadística y Geografía</collab>
<source><![CDATA[XII Censo General de Población y Vivienda 2000]]></source>
<year>2000</year>
</nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="">
<collab>Instituto Nacional de Estadística y Geografía</collab>
<source><![CDATA[Censo de Población y Vivienda 2010]]></source>
<year>2010</year>
</nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Bhatta]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Gill]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Pantuliano]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Timsina]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Uppadhaya]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Walker]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Governance and Citizenship from Below: Views of Poor and Excluded Groups and their Vision for a New Nepal]]></source>
<year>2009</year>
</nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Katz]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Bradley]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Metropolitan revolution: How Cities and Metros are Fixing our Broken Politics and Fragile Economy]]></source>
<year>2013</year>
<publisher-loc><![CDATA[Filadelfia ]]></publisher-loc>
<publisher-name><![CDATA[Brookings Institution Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khanna]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Connectography: Mapping the Future of Global Civilization]]></source>
<year>2016</year>
<publisher-loc><![CDATA[Nueva York ]]></publisher-loc>
<publisher-name><![CDATA[Random House]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Klaufus]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Watching the city grow: remittances and sprawl in intermediate Central American cities]]></article-title>
<source><![CDATA[Environment and Urbanization]]></source>
<year>2010</year>
<volume>22</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>125-37</page-range></nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Krugman]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geography and Trade]]></source>
<year>1991</year>
<publisher-loc><![CDATA[Cambridge ]]></publisher-loc>
<publisher-name><![CDATA[The MIT Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lugo Olmos]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Distribución y crecimiento urbano en el sistema metropolitano de México: un enfoque de sistemas complejos]]></source>
<year>2009</year>
</nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McCann]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Acs]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Globalization: countries, cities and multinationals]]></article-title>
<source><![CDATA[Regional Studies]]></source>
<year>2011</year>
<volume>45</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>17-32</page-range></nlm-citation>
</ref>
<ref id="B49">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McFarland]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Local Economic Conditions 2017. Research and Analysis of Local Economies: Going beyond &#8220;Urban vs. Rural&#8221;]]></source>
<year>2017</year>
<publisher-loc><![CDATA[Washington ]]></publisher-loc>
<publisher-name><![CDATA[National League of Cities]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B50">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oliveras]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cartanyá]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ciudades difusas y confusas, conurbaciones y áreas metropolitanas. El caso del camp de Tarragona]]></source>
<year>2015</year>
<conf-name><![CDATA[ International Conference on Regional Science]]></conf-name>
<conf-loc>Terragona, España </conf-loc>
</nlm-citation>
</ref>
<ref id="B51">
<nlm-citation citation-type="book">
<collab>Organización para la Cooperación y Desarrollo Económicos</collab>
<source><![CDATA[Competitive Cities in the Global Economy]]></source>
<year>2006</year>
<publisher-loc><![CDATA[París ]]></publisher-loc>
<publisher-name><![CDATA[Organización para la Cooperación y Desarrollo Económicos]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B52">
<nlm-citation citation-type="confpro">
<collab>Organización de las Naciones Unidas</collab>
<collab>Habitat</collab>
<source><![CDATA[The state of Asian cities 2010/11]]></source>
<year>2010</year>
<conf-name><![CDATA[ Conferencia de las Naciones Unidas Sobre Vivienda y Desarrollo Urbano Sostenible]]></conf-name>
<conf-loc>Fukuoka </conf-loc>
</nlm-citation>
</ref>
<ref id="B53">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Parr]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[City size distributions and urban density functions: some interrelationships]]></article-title>
<source><![CDATA[Journal of Regional Science]]></source>
<year>1983</year>
<volume>23</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>283-307</page-range></nlm-citation>
</ref>
<ref id="B54">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peng]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Zipf&#8217;s law for Chinese cities: rolling sample regressions]]></article-title>
<source><![CDATA[Physica A]]></source>
<year>2010</year>
<volume>389</volume>
<page-range>3804-13</page-range></nlm-citation>
</ref>
<ref id="B55">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Guzmán]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Angulo]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Distributions of city sizes in Mexico during the 20th century]]></article-title>
<source><![CDATA[Chaos, Solutions &amp; Fractals]]></source>
<year>2015</year>
<volume>73</volume>
<page-range>64-70</page-range></nlm-citation>
</ref>
<ref id="B56">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pike]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodriguez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Tomaney]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Local and Regional Development]]></source>
<year>2006</year>
<publisher-loc><![CDATA[Londres ]]></publisher-loc>
<publisher-name><![CDATA[Routledge]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B57">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Puissant]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Lacour]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mid-sized French cities and their niche competitiveness]]></article-title>
<source><![CDATA[Cities]]></source>
<year>2011</year>
<volume>28</volume>
<page-range>433-43</page-range></nlm-citation>
</ref>
<ref id="B58">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rosen]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Resnick]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The size distribution of cities: an examination of the Pareto law and primacy]]></article-title>
<source><![CDATA[Journal of Urban Economics]]></source>
<year>1980</year>
<volume>8</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>165-86</page-range></nlm-citation>
</ref>
<ref id="B59">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rosenthal]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Strange]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evidence on the nature and sources of agglomeration economies]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Henderson]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Thiss]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Handbook of Regional and Urban Economics, Cities and Geography]]></source>
<year>2004</year>
<page-range>2119-71</page-range><publisher-loc><![CDATA[Amsterdam ]]></publisher-loc>
<publisher-name><![CDATA[Elsevier]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B60">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rossi]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Wright]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Urban structure and growth]]></article-title>
<source><![CDATA[Review of Economic Studies]]></source>
<year>2007</year>
<volume>74</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>597-624</page-range></nlm-citation>
</ref>
<ref id="B61">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sridhar]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Wan]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Firm location choice in cities: evidence from China, India, and Brazil]]></article-title>
<source><![CDATA[China Economic Review]]></source>
<year>2010</year>
<volume>21</volume>
<page-range>113-22</page-range></nlm-citation>
</ref>
<ref id="B62">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sobrino]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Desarrollo urbano en México a partir de 1980]]></source>
<year>1999</year>
<publisher-loc><![CDATA[Toluca ]]></publisher-loc>
<publisher-name><![CDATA[El Colegio Mexiquense]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B63">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Soo]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Zipf&#8217;s Law for cities: a cross-country investigation]]></article-title>
<source><![CDATA[Regional Science and Urban Economics]]></source>
<year>2005</year>
<volume>35</volume>
<page-range>239-63</page-range></nlm-citation>
</ref>
<ref id="B64">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Urzúa]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Las ciudades mexicanas no siguen la ley de Zipf]]></article-title>
<source><![CDATA[Estudios Demográficos y Urbanos]]></source>
<year>2001</year>
<volume>16</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>661-9</page-range></nlm-citation>
</ref>
<ref id="B65">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Weziak]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Quality of life in cities. Empirical evidence in comparative European perspective]]></article-title>
<source><![CDATA[Cities]]></source>
<year>2016</year>
<volume>58</volume>
<page-range>87-96</page-range></nlm-citation>
</ref>
<ref id="B66">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zul]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Hudalah]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Rahayu]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Woltjer]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Extended urbanization in small and medium-sized cities: The case of Cirebon. Indonesia]]></article-title>
<source><![CDATA[Habitat International]]></source>
<year>2014</year>
<volume>42</volume>
<page-range>1-10</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
