Monday, September 26, 2016

Marc Lavoie — Rethinking Macroeconomic Theory Before the Next Crisis

In this essay I discuss how the end of the Great Moderation – this 15-year period of low inflation and low variance in real growth rates in the Western world — has been interpreted by the advocates of mainstream economics and what changes the subprime financial crisis has or may have entailed with respect to macroeconomic theory. I review of a number of key issues in macroeconomic theory, examining what seems to have been changed or been questioned as a consequence of what has happened during and after the financial crisis. The third section is devoted to the concept of hysteresis, which seems to have been resurrected by mainstream economists. The fourth section deals with a number of miscellaneous issues, in particular the shape of the aggregate demand curve and the lack of a relationship between interest rates and public debt or deficit ratios. I conclude with broad brushes about what ought to disappear and what might disappear from macroeconomic theory. Many others, such as Stiglitz (2014) and Mendoza (2013) have done an excellent job in pursuing this kind of exercise. Here I offer my idiosyncratic thoughts, starting with the reaction of economists to the crisis.…
INET
Rethinking Macroeconomic Theory Before the Next Crisis
Marc Lavoie | Professor of Economics, University of Ottawa

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