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The Blue Banana (also known as the European Megalopolis or the Liverpool–Milan Axis) is a discontinuous corridor of urbanisation spreading over Western and Central Europe, with a population of around 111 million. The concept was developed in 1989 by RECLUS, a group of French geographers managed by Roger Brunet.
It stretches approximately from North Wales across Greater London to the Benelux states and along the German Rhineland, Southern Germany, Alsace in France in the west and Switzerland (Basel and Zürich) to Northern Italy (Milan) in the south.
The French geographer Roger Brunet, who observed a division between "active" and "passive" spaces, developed the concept of a West European "backbone" in 1989. He made reference to an urban corridor of industry and services stretching from northern England to northern Italy. The name "Blue Banana" was dually coined by Jacques Chérèque, and an artist adding a graphic to an article by Josette Alia in Le Nouvel Observateur. The color blue referred to either the color of the flag of the European Community, or the blue collars of the factory workers in the region.
Brunet saw the "European Backbone" as the development of historical precedents, e.g. trade routes, or as the consequence of an accumulation of industrial capital. In his analysis, Brunet excluded the Paris urban area and other French conurbations because of French economic insularity. His aim was a greater economic integration in Europe, but he felt that France had lost this connection by the 17th century as a result of its persecution of Huguenots and centralisation in Paris. Later versions do, however, include Paris.
In 1991, in the context of a study on behalf of the European Commission in support of its Regional Policy, researchers criticized the idea of the Blue Banana as a desirable formation, but not its empirical reality, identifying it as the result of regional competition in Europe. Furthermore, their diagram of the Blue Banana had more of a curve, still including Northern Italy, but ending at Barcelona. It also included Paris, and had the Anglo-Scottish border as its northern stem. A study of the history of the Blue Banana as a concept refers to the Commission's study as a mistaken rejection of the Blue Banana from Brunet's original conception. From the research on the Commission's behalf, the Blue Banana represented a developed core at the expense of the periphery, whereas Brunet empirically viewed the Blue Banana as a region of development at Paris's periphery, beyond the French borders.
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- Brunet, Roger (1989). Les villes europeénnes: Rapport pour la DATAR (in French). Montpellier: RECLUS. ISBN 978-2-11-002200-4.
- Gert-Jan Hospers (2002). Beyond the Blue Banana? Structural Change in Europe's Geo-Economy (PDF). 42nd EUROPEAN CONGRESS of the Regional Science Association Young Scientist Session – Submission for EPAINOS Award 27–31 August 2002. Dortmund, Germany. Retrieved 27 September 2006.
- Gert-Jan Hospers (2003). "Beyond the Blue Banana? Structural Change in Europe's Geo-Economy" (PDF). Intereconomics. 38 (2): 76–85. doi:10.1007/BF03031774. Retrieved 27 September 2006.[dead link]
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- Taylor, Paul. "No more Blue Banana, Europe's industrial heart moves east". Reuters. Retrieved 4 March 2018.
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- Faludi, Andreas (March 2015). "The 'Blue Banana' Revisited" (PDF). European Journal of Spatial Development. 56. Archived from the original (PDF) on 25 January 2018. Retrieved 3 March 2018.