These weaknesses would not matter too much if Mr Jorgenson came up with plausible numbers.

ECONOMIST: The war over poverty | The

Mr Jorgenson's analysis convinces him that the American government's anti-poverty efforts, aided by economic growth, have some success.

ECONOMIST: The war over poverty

Jorgenson went on to found the Hellecasters, a spectacular guitar-slinging trio rounded out by Will Ray and Jerry Donahue.

NPR: John Jorgenson Quintet On Mountain Stage

This strange outcome partly reflects Mr Jorgenson's finding that households headed by men consume much more than households headed by women.

ECONOMIST: The war over poverty

The John Jorgenson Quintet features Stephan Dudash on five-string viola, Gonzalo Bergara on rhythm guitar, Charlie Chadwick on bass and percussionist Rick Reed.

NPR: John Jorgenson Quintet On Mountain Stage

Though his CD, After You've Gone, treaded lightly on Gypsy swing, Jorgenson fully embraced his love of the genre with 2004's Franco-American Swing.

NPR: John Jorgenson Quintet On Mountain Stage

Jorgenson, along with former Byrds guitarist Chris Hillman, founded the Desert Rose Band, which had a string of hit country songs in the '80s.

NPR: John Jorgenson Quintet On Mountain Stage

Although his career has been stylistically varied, multi-instrumentalist John Jorgenson sounds most comfortable performing the Django Reinhardt-inspired Gypsy swing heard here in live performance.

NPR: John Jorgenson Quintet On Mountain Stage

Dale Jorgenson of Harvard University thinks that American services companies, particularly wholesale and retail traders, have been reaping huge gains over the past decade from information technology.

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In the driving rain, the Danes scored three times inside 25 minutes with goals from Martin Jorgenson, Morten Wieghorst and Jon Dhal Tomasson, and a play-off place was theirs.

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He's even been enlisted to portray Reinhardt in the feature film Head in the Clouds, and Jorgenson recently released another CD of Gypsy tunes, Ultraspontane, on his own J2 Records.

NPR: John Jorgenson Quintet On Mountain Stage

That is a key reason why Dale Jorgenson, an economist at Harvard University, reckons overall productivity growth will average 1.5% in the coming decade, down from 2% in the previous two.

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But there are big flaws in Mr Jorgenson's approach.

ECONOMIST: The war over poverty

Yet another new paper, by Dale Jorgenson of Harvard University, one of the world's leading scholars in this field, and Kevin Stiroh of the New York Fed, has also weighed into the debate.

ECONOMIST: Productivity on stilts

Mr Jorgenson takes a different tack.

ECONOMIST: The war over poverty