The arrow of time in a non-ergodic world For the vast majority of scientists, thermodynamics had to be limited strictly to equilibrium. That was the opinion of J. Willard Gibbs, as well as of Gilbert N. Lewis. For them, irreversibility associated with unidirectional time was anathema … I myself experienced this type of hostility in 1946 … After I had presented my own lecture on irreversible thermodynamics, the greatest expert in the field of thermodynamics...
Read More »So what you’re saying is …
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Read More »Trump on Britain’s NHS
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Read More »How central banks create money
How central banks create money Have you ever asked yourself how central banks create money? BBC Radio gives the answer. Advertisements
Read More »The limits of probabilistic reasoning
The limits of probabilistic reasoning Probabilistic reasoning in science — especially Bayesianism — reduces questions of rationality to questions of internal consistency (coherence) of beliefs, but, even granted this questionable reductionism, it’s not self-evident that rational agents really have to be probabilistically consistent. There is no strong warrant for believing so. Rather, there is strong evidence for us encountering huge problems if we let...
Read More »New Classical macroeconomists — people having their heads fuddled with nonsense
New Classical macroeconomists — people having their heads fuddled with nonsense McNees documented the radical break between the 1960s and 1970s. The question is: what are the possible responses that economists and economics can make to those events? One possible response is that of Professors Lucas and Sargent. They describe what happened in the 1970s in a very strong way with a polemical vocabulary reminiscent of Spiro Agnew. Let me quote some phrases that...
Read More »Hierarchical models and clustered residuals (student stuff)
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Read More »Exaggerated and unjustified statistical claims
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Read More »And here’s another very stable GOP genius
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Read More »Economath — a device designed to fool the feebleminded
Economath — a device designed to fool the feebleminded Many American undergraduates in Economics interested in doing a Ph.D. are surprised to learn that the first year of an Econ Ph.D. feels much more like entering a Ph.D. in solving mathematical models by hand than it does with learning economics. Typically, there is very little reading or writing involved, but loads and loads of fast algebra is required. Why is it like this? The first reason is that...
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