Slaying A Smiling Dragon
"What about that pro-New Deal academic consensus to which the president refers? About 15 years ago, Robert Whaples of Wake Forest University put the following proposition to economic historians, some of them trained economists, others trained historians: “Taken as a whole, government policies of the New Deal served to lengthen and deepen the Great Depression.”
"Three in four historians disagreed. Economists were split evenly. The consensus just wasn’t there."