nnunn99: are there any...
.@nnunn99: are there any downsides to #ImmigrantDocs you can think of? If you can't think of them, do your students know (yet)?
From @24aheaddotcom_
Tweeted Tue, Mar 7, 2017 at 8:00 pm
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Nathan Nunn
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Cambridge, MA, USA
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2186
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Professor of Economics, Harvard