A video conversation with LP Rochon and my co-author Bill McColloch on our chapter for the forthcoming book on the history of ideas. Many topics, including Friedman vs Lucas relevance, the Lucas critique, the empirical turn in the profession, and more. More info on the book soon.
This is a fair presentation and critique of Austrian methodology. But beware! In theoretical and methodological questions it’s not always either-or. We have to be open-minded and pluralistic enough not to throw out the baby with the bath water — and fail to secure insights like this:
What is the problem we wish to solve when we try to construct a rational economic order?… If we possess all the relevant information, if we can start out from a given system of preferences, and if we command complete knowledge of available means, the problem which remains is purely one of logic…
This, however, is emphatically not the economic problem which society faces…The peculiar character of the problem of a rational economic order is determined precisely by the fact that the knowledge of the circumstances of which we must make use never exists in concentrated or integrated form but solely as the dispersed bits of incomplete and frequently contradictory knowledge which all the separate individuals possess. The economic problem of society is…a problem of the utilization of knowledge which is not given to anyone in its totality.
This character of the fundamental problem has, I am afraid, been obscured rather than illuminated by many of the recent refinements of economic theory…Many of the current disputes with regard to both economic theory and economic policy have their common origin in a misconception about the nature of the economic problem of society. This misconception in turn is due to an erroneous transfer to social phenomena of the habits of thought we have developed in dealing with the phenomena of nature…
Read rest here (and be sure to check out the comments made by Paul Davidson!).
The Great Financial Crisis that began in 2007-2008 reminds us with devastating force that financial instability and crises are endemic to capitalist economies that lack powerful and dynamically changing financial regulations that can keep the powerful forces of leverage and credit within sustainable bounds. Economists from Marx to Keynes, and Minsky to Kindleberger have well understood this profoundly important fact, yet the dominant mainstream economics of "rational expectations", "efficient markets" and "laissez-faire" that rationalized widespread financial liberalization and still dominates the economics profession has gotten it, literally, "dead wrong". The Handbook of The Political Economy of Financial Crises describes the theoretical, institutional, and historical factors that can help us understand the forces that create financial crises - with an emphasis on the crisis of 2007- 2008 - and the strengths and weaknesses of varying theoretical perspectives and policy approaches that have tried to comprehend and limit these financial tsunamis.
NOTE: Although all of the chapters will be invaluable to the reader, one in particular that will be worth much perusing is by Prof. James Crotty on the irrelevance of efficient market hypothesis (EMH), which can preliminarily be seen here .
As is well-known, Keynes used to criticize the more traditional economics for making the fallacy of composition, which basically consists of the false belief that the whole is nothing but the sum of its parts. Keynes argued that in the society and in the economy this was not the case, and that a fortiori an adequate analysis of society and economy couldn’t proceed by just adding up the acts and decisions of individuals. The whole is more than a sum of parts. This fact shows up already when orthodox – neoclassical – economics tries to argue for the existence of The Law of Demand – when the price of a commodity falls, the demand for it will increase – on the aggregate. Although it may be said that one succeeds in establishing The Law for single individuals it soon turned out – in the Sonnenschein-Mantel-Debreu theorem firmly established already in 1976 – that it wasn’t possible to extend The Law of Demand to apply on the market level, unless one made ridiculously unrealistic assumptions such as individuals all having homothetic preferences – which actually implies that all individuals have identical preferences.
This could only be conceivable if there was in essence only one actor – the (in)famous representative actor. So, yes, it was possible to generalize The Law of Demand – as long as we assumed that on the aggregate level there was only one commodity and one actor. What generalization! Does this sound reasonable? Of course not. This is pure nonsense!
