Post-Keynesian theory and reality — Dirk Ehnts

I have read a book review by Steven Pressman in the Journal of Post Keynesian Economics (JPKE). The book he reviewed is “Rethinking the theory of money, credit, and macroeconomics: A new statement for the twenty-first century” by John Smithin. I am sure the book is just as interesting as the book review, but I would like to focus on a single paragraph that shows a certain disconnect between Post-Keynesian theory and reality. 

Hypothesis testing.

econoblog 101
Post-Keynesian theory and reality
Dirk Ehnts | Lecturer at Bard College Berlin, research assistant at the Technical University of Chemnitz, and spokesperson of the board of Pufendorf-Gesellschaft eV in Berlin