Puerto Rico’s output has declined 16 percent since 2004. Its recession, triggered by the 2006 phaseout of a federal manufacturing tax break, began before that of the mainland and lasted longer. Only about a million of Puerto Rico’s 3.6 million people are employed. Not coincidentally, Puerto Rico’s population shrank 4 percent in the past decade, as many of the best and brightest sought opportunity on the U.S. mainland.
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