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Fuzziness of Travel-to-Work Areas

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  • Zhiqiang Feng

Abstract

Feng Z. Fuzziness of travel-to-work areas, Regional Studies. Travel-to-work areas (TTWAs) have been used widely by governmental agencies and academic institutions. However, their use has been criticized because the boundaries separating travel-to-work areas are imperfect in the sense that there are always commuting trips crossing them. This paper aims to investigate the fuzziness of travel-to-work areas by applying fuzzy set theory. The methodology of defining fuzzy travel-to-work areas is described. Indicators measuring size and the overlap of fuzzy travel-to-work areas are suggested. The cartographic representation of fuzzy travel-to-work areas is discussed. The last section proposes the advantages of fuzzy travel-to-work areas and some potential applications. [image omitted] Feng Z. Flou en matiere de zones d'emploi, Regional Studies. Les zones d'emploi (TTWA) ont ete largement utilisees par les agences gouvernementales et les institutions universitaires. En revanche, elles ont ete critiquees du fait que les limites qui separent ces zones sont imparfaites en ce sens qu'elles sont toujours traversees par des liaisons domicile-travail. L'objet de cet article est d'analyser le flou des zones d'emploi en appliquant la theorie des ensembles flous. Il decrit la methodologie utilisee pour definir les zones d'emploi floues et suggere des indicateurs pour mesurer la taille et le chevauchement de ces zones. Les auteurs debattent de la representation cartographique des zones d'emploi floues. Dans la derniere section, ils presentent les avantages des zones d'emploi floues et quelques applications potentielles. Zones d'emploi Theorie des ensembles flous Angleterre Representation Feng Z. Die Unscharfe von Arbeitsmarktregionen, Regional Studies. Arbeitsmarktregionen werden von Regierungsbehorden und akademischen Institutionen in grossem Umfang genutzt. Diese Methode ist jedoch kritisiert worden, weil die Grenzen zur Trennung von Arbeitsmarktregionen insofern Mangel aufweisen, als dass stets auch Pendler diese Grenzen uberschreiten. In diesem Beitrag wird die Unscharfe der Arbeitsmarktregionen durch Anwendung der Fuzzymengen-Theorie untersucht. Die Methodologie zur Definition unscharfer Arbeitsmarktregionen wird beschrieben. Es werden Indikatoren zur Messung der Grosse und Uberlappung von unscharfen Arbeitsmarktregionen vorgeschlagen. Die kartografische Darstellung unscharfer Arbeitsmarktregionen wird erortert. Im letzten Abschnitt werden die Vorteile unscharfer Arbeitsmarktregionen behandelt und einige potenzielle Anwendungen vorgeschlagen. Arbeitsmarktregionen Fuzzymengen-Theorie England Darstellung Feng Z. Ambiguedad de las cuencas de empleo, Regional Studies. Las cuencas de empleo han sido utilizadas con profusion por agencias gubernamentales e instituciones academicas. Sin embargo, se ha criticado que las fronteras que separan estas cuencas de empleo son imperfectas porque siempre hay viajantes que las cruzan. En este articulo investigamos la ambiguedad de las cuencas de empleo aplicando la teoria de conjuntos difusos. Describimos la metodologia para definir las cuencas de empleo difusas. Sugerimos indicadores para medir el tamano y el solapamiento de las cuencas de empleo difusas. Tambien analizamos una representacion cartografica de las cuencas de empleo difusas. En la ultima seccion, proponemos las ventajas de las cuencas de empleo difusas y algunas posibles aplicaciones. Cuencas de empleo Teoria de conjuntos difusos Inglaterra Representacion

Suggested Citation

  • Zhiqiang Feng, 2009. "Fuzziness of Travel-to-Work Areas," Regional Studies, Taylor & Francis Journals, vol. 43(5), pages 707-720.
    • Handle: RePEc:taf:regstd:v:43:y:2009:i:5:p:707-720
    DOI: 10.1080/00343400801922806
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    References listed on IDEAS

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    1. Papps, Kerry L. & Newell, James O., 2002. "Identifying Functional Labour Market Areas in New Zealand: A Reconnaissance Study Using Travel-to-Work Data," IZA Discussion Papers 443, Institute of Labor Economics (IZA).
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    3. Roman Römisch & Peter Huber & Klaus Nowotny & Ulrike Strauss, 2011. "CENTROPE Regional Development Report. Focus on Spatial Integration," WIFO Studies, WIFO, number 43885.

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