Aviation experts are uncertain of the long-term effects that Europe's volcano crisis might have on demand for air travel. "For European carriers, it's a great big question mark," says Michael Boyd, noting that fliers wary of another eruption could delay their travel plans, threatening a weak recovery for the airline industry. That uncertainty was underscored on Thursday when Norway and Sweden announced some airport closures due to a new eruption, just as most of the rest of Europe was getting back to normal. But despite "drastic harm" for European airlines, some analysts predicted a boost for U.S. carriers as Asian vacationers look to avoid Europe and American fliers stick closer to home.
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