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from Joachim H. Spangenberg and Lia Polotzek   Next to the inability to describe long-term developments and to take into account the structural uncertainty of complex systems, there is a more fundamental problem regarding current economic modelling manifesting itself in IAM/DSGE models. It consists of the fact that economic models are presented as being purely descriptive, while they actually carry quite some normative baggage. This becomes particularly relevant as the function of...

from Lars Syll A critique yours truly sometimes encounters is that as long as I cannot come up with some own alternative to the failing mainstream theory, I shouldn’t expect people to pay attention. This is, however, to totally and utterly misunderstand the role of philosophy and methodology of economics! As John Locke wrote in An Essay Concerning Human Understanding: The Commonwealth of Learning is not at this time without Master-Builders, whose mighty Designs, in advancing the Sciences,...

https://ourworldindata.org/incomes-across-the-distribution

from Lars Syll To achieve explanatory success, a theory should, minimally, satisfy two criteria: it should have determinate implications for behavior, and the implied behavior should be what we actually observe. These are necessary conditions, not sufficient ones. Rational-choice theory often fails on both counts. The theory may be indeterminate, and people may be irrational. In what was perhaps the first sustained criticism of the theory, Keynes emphasized indeterminacy, notably because...

from Ken Zimmerman Human work/employment/work relations are complex. In terms of muscular or nervous effort there is no distinction between agreeable and irksome activities, or between those undertaken for pleasure and those undertaken for pay. In many instances severe physical labor, combined with hardship and exposure are undertaken for pleasure by tourists, who even hire and pay guides, for example mountain climbing. Similarly, athletic sports, though often arduous are both professions...

from Lars Syll So what do I mean by methodological arrogance? I mean an attitude that invokes micro-foundations as a methodological principle — philosophical reductionism in Popper’s terminology — while dismissing non-microfounded macromodels as unscientific. To be sure, the progress of science may enable us to reformulate (and perhaps improve) explanations of certain higher-level phenomena by expressing those relationships in terms of lower-level concepts. That is what Popper calls...

People have long struggled to understand The Word of God. One might even wonder if a better approach would be to rely on artificial intelligence. However, I’m not sure AI algorithms understand Him either This shows that even God the Omnipotent can’t manage sarcasm blatant enough for Twitter. Twitter has repented, but it looks like a very long penance to me. I fear not His wrath, for though I walk in the valley of copyright infringment fair use is...

Adani is getting on with the job of building its Carmichael coal mine as opponents prepare for a renewed campaign of protests. That’s the lead in this SMH story about the Carmichael mine. But the picture released is the same yellow grader that’s been there for months. This is a puzzle. On the one hand, Adani’s pronouncements exude confidence that the mine will be shipping coal within a couple of years. That was reinforced in a recent interview with Gautam Adani himself. On the...