Indeed, if he held the views expressed in Foundations, they could not be. ISBN alk.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Darrel McCalla. Carabelliin a rare discussion of this problem, argues that had Keynes offered a special theory, Keynes would have had to produce persuasive empirical evidence for it, a task that would have been particularly difficult given that the classical theory had such a long history and was so well established.
Why Study Economics? Keynes wanted to demonstrate that the cause of unemployment was not to be found in wage inflexibility. Foundations did not offer anything more than a methodological unification of economic theory, for there was no presumption that the whole of economics could be derived from a common theory.
During the war years, when Samuelson worked part-time at the National Resources Planning Board, they remained close, debating fiscal policy, and in they produced a joint report. You can help correct errors and omissions.
The total output of the economy is measured GDP per person. The way he claims to have come to this was very pedestrian: working in different branches of economics, he had found himself proving the same theorems time and time again.
Keynes also noted the role uncertainty and animal spirits can play in the economy. For more details on the data and methods, go to gecon.