Once again, we've studied the problem".
When I got back to Italy, I studied the problem.
They studied the problem in all its dimensions, through multiple hearings.
He seriously studied the problem of flying in a machine with flapping wings.
In December, the federal Environmental Protection Agency, which has studied the problem for a decade, will announce its decision on how to deal with the PCB's.
More alarming, these numbers appear to be growing, say experts who have studied the problem in Illinois, New York and Texas.
"But we don't have ideal conditions — far from it," said one senior official who has studied the problem intensively, referring to the raging civil war in Syria.
"The problem is that you can't just pick this stuff up and ship it out of the country," said one senior military official who has studied the problem.
While the agency studied the problem, the commissioner, Dr. Margaret Hamburg, asked its maker to stop selling — a request she had little power to enforce.
In the places that Banerjee and Duflo and others they cite have studied, the problem isn't either availability, or cost, or (usually) knowledge.
