This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research and education use, including for instruction at the authors institution and shar

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Date: 2014-12-01 16:43:35		This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research and education use, including for instruction at the authors institution and shar Add to Reading List Source URL: econ.sciences-po.fr Download Document from Source Website File Size: 603,69 KB Share Document on Facebook