On April 22, as protesters swelled Earth Day rallies in U.S. cities and around the world, President Trump tweeted that he was “committed to keeping our air and water clean but always remember that economic growth enhances environmental protection. Jobs matter!” His message was eerily similar to assertions by governments in developing countries that environmental standards are less important than attracting jobs.
Indeed, over the last few decades many developing countries have adopted loose environmental standards to lure foreign firms to move production there. However, an emerging body of research shows that policies like this also bring heavy

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