Economics also has to become a fundamentally monetary discipline—from the consideration of how individuals make market decisions through to our understanding of macroeconomics. The myth of "the money illusion" (which can only be true in a world without debt) has to be immediately dispelled, while our macroeconomics have to reflect a monetary economy in which nominal magnitudes matter, precisely because they are the link between the value of current output and the financing of accumulated debt. The dangers of excessive debt and deflation simply cannot be comprehended from a neoclassical perspective.The discipline must also become fundamentally empirical, in contrast to the faux empiricism of econometrics. By this I mean basing itself on the economic and financial data first and foremost—the collection and interpretation of which has been the hallmark of contributions by econophysicists—and by respecting economic history, a topic which has been systematically expunged from economics departments around the world.
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