When It Rains It Pours : The Long-run Economic Impacts of Salt Iodization in the United States
In 1924, The Morton Salt Company began nationwide distribution of iodine-fortified salt. Access to iodine, a key determinant of cognitive ability, rose sharply. We compare outcomes for cohorts exposed in utero with those of slightly older, unexposed cohorts, across states with high versus low baseli...
| Main Authors: | , , , , |
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The MIT Press
2019
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| Online Access: | http://hdl.handle.net/10986/31273 |