Steven Cohen (@stevenacohen) 's Twitter Profile
Steven Cohen

@stevenacohen

Professor @ColumbiaSIPA | Director @ spm.ei.columbia.edu | Weekly Blog @ blogs.ei.columbia.edu/author/steve-c…

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linkhttp://spm.ei.columbia.edu calendar_today24-12-2010 18:25:24

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Steven Cohen
@stevenacohen

a month ago

Metropolitan New York’s mass transit system is a central element of the region’s economic vitality. Through congestion pricing, the MTA has an opportunity to revitalize a decaying system. sps.columbia.edu/news/success-a…