Why banning laptops from airplane cabins doesn't make sense

The Department of Homeland Security wants to extend that ban to transatlantic flights

Recent reports suggest that terrorists can now create bombs so thin that they cannot be detected by the current X-ray screening that our carry-on bags undergo.

In an effort to protect against such threats, the U.S is considering banning laptops and other large electronic devices in the passenger cabins of airplanes flying between Europe and the United States. This would extend a ban already in place on flights from eight Middle Eastern countries.

Given the significant disruption such a policy would cause tens of thousands of passengers a day, a logical question any economist might ask