Some school boards that have contracted out peripheral services have been so impressed by the results that they are starting to apply the principle to teaching itself.

ECONOMIST: Reading, writing and enrichment

The organization I lead, the Network for Teacher Entrepreneurship (NFTE), was founded by Steve Mariotti on one basic principle: teaching young people living in poverty how to create wealth for themselves is the surest path to poverty alleviation.

FORBES: Opening the Pathway Through Entrepreneurship

It tried to extend this principle to hospitals and schools, though stiff opposition among the medical and teaching professions meant that it was not widely taken up.

ECONOMIST: Teachers�� pay