Here is how according to Gregory Clark, author of Farewell to Alms.
"Economics had powerful insights to offer the world, insights worth a lot of treasure. Economics was powerful voodoo. Any major university or research institute wanted to arm itself with this potency."
"The current recession has revealed the weaknesses in the structures of modern capitalism. But it also revealed as useless the mathematical contortions of academic economics. There is no totemic power..."
"But I would rate the chances of Chrysler producing once again a competitive US automobile at least as high as the chances of academic economics learning any lesson from this downturn. "