"The big question in all of these things is who’s going to pay for it?" Michel-Kerjan said. "Who’s going to pay for these barriers, or who will pay for the economic consequences and even the human consequences if we fail to build them?"
One interesting proposal from the paper argues that “with more than 50 million tourists visiting the city every year, a simple $10 resilience fee—equivalent to the maximum September 11 airline security fee anyone traveling in the United States is now paying for a roundtrip ticket—could help.”
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