What to do to make economics a relevant and realist science

The other day yours trulywrotereKrugman‘s dangerous neglect of methodological reflection:

The financial crisis of 2007-08 and its aftermath definitely shows that something has gone terribly wrong with our macroeconomic models, since they obviously did not foresee the collapse or even make it conceivable … Modern mainstream macroeconomics obviously did not anticipate the enormity of the problems that unregulated ‘efficient’ financial markets created. Why? Because it builds on the myth of us knowing the ‘data-generating process’ … Mainstream macroeconomists … want to be able to use their hammer. They decide to pretend that the world looks like a nail and that uncertainty can be reduced to risk. So they construct their mathematical models on that assumption–and the ensuing results are financial crises and economic havoc.

Now Brad DeLong earlier today commented on my critique:

OK …
Suppose we decide that we are no longer going to:
Pretend…

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Author: Damian Merciar

Damian Merciar is Managing Director of Merciar Business Consulting, http://www.merciar.com, a niche business economics consultancy founded in 1998. He has over twenty years experience in the areas of commercial Business Strategy. He is experienced in the transition environments of nationalized to private sector state utilities and the senior practice of commercial management, advisorial consultancy, and implementation. He has carried out policy advisory work for government ministries and been an adviser to institutional bodies proposing changes to government. He holds an MSc Economics from the University of Surrey’s leading Economics department and an MBA from the University of Kent. Also attending the leading University in the Middle East, studying International Relations and Language, for which he won a competitive international scholarship, and has a BA (Hons) in Economic History and Political Economy from the University of Portsmouth. He is currently based in London. View all posts by Damian Merciar

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