by From Lars Syll One may perhaps, distinguish between obscure writers and obscurantist writers. The former aim at truth, but do not respect the norms for arriving at truth, such as focusing on causality, acting as the Devil’s Advocate, and generating falsifiable hypotheses. The latter do not aim at truth, and often scorn the very idea that there is such a thing as the truth … These writings have in common a somewhat uncanny combination of mathematical sophistication on the one hand and conceptual naiveté and empirical sloppiness on the other. The mathematics, which could have been a tool, is little more than toy … Hard obscurantist models, too, may have some value as tools, but mostly they are toys. Jon Elster It’s hard not to agree with Elster’s critique of mainstream economics and its
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from Lars Syll
One may perhaps, distinguish between obscure writers and obscurantist writers. The former aim at truth, but do not respect the norms for arriving at truth, such as focusing on causality, acting as the Devil’s Advocate, and generating falsifiable hypotheses. The latter do not aim at truth, and often scorn the very idea that there is such a thing as the truth …
These writings have in common a somewhat uncanny combination of mathematical sophistication on the one hand and conceptual naiveté and empirical sloppiness on the other. The mathematics, which could have been a tool, is little more than toy … Hard obscurantist models, too, may have some value as tools, but mostly they are toys.
It’s hard not to agree with Elster’s critique of mainstream economics and its practice of letting models and procedures become ends in themselves, without considerations of their lack of explanatory value as regards real-world phenomena. The message writes itself: If you’re really interested about what goes on in our economies — stay away from economics!
Many mainstream economists working in the field of economic theory think that their task is to give us analytical truths. That is great — from a mathematical and formal logical point of view. In science, however, it is rather uninteresting and totally uninformative! The framework of the analysis is too narrow. Even if economic theory gives us ‘logical’ truths, that is not what we are looking for as scientists. We are interested in finding truths that give us new information and knowledge of the world in which we live.
Scientific theories are theories that ‘refer’ to the real-world, where axioms and definitions do not take us very far. To be of interest for an economist or social scientist that wants to understand, explain, or predict real-world phenomena, the pure theory has to be ‘interpreted’ — it has to be ‘applied’ theory. An economic theory that does not go beyond proving theorems and conditional ‘if-then’ statements — and do not make assertions and put forward hypotheses about real-world individuals and institutions — is of little consequence for anyone wanting to use theories to better understand, explain or predict real-world phenomena.
Building theories and models on unjustified patently ridiculous assumptions we know people never conform to, does not deliver real science. Real and reasonable people have no reason to believe in ‘as-if’ models of ‘rational’ robot-imitations acting and deciding in a Walt Disney-world characterised by ‘common knowledge,’ ‘full information,’ ‘rational expectations,’ zero transaction costs, given stochastic probability distributions, risk-reduced genuine uncertainty, and other laughable nonsense assumptions of the same ilk. Science fiction is not science.
Much work done in mainstream theoretical economics is devoid of any explanatory interest. And not only that. Seen from a strictly scientific point of view, it has no value at all. It is a waste of time. And as so many have been experiencing in modern times of austerity policies and market fundamentalism — a very harmful waste of time.