@tedfrank @binarybits the fact u can't say "here r immigrants that allow production that wouldn't otherwise occur, obv gains from trade"...
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
@tedfrank @binarybits the fact u can't say "here r immigrants that allow production that wouldn't otherwise occur, obv gains from trade"...