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Why is Mencius Moldbug so popular on Less Wrong? [Answer: He's not.]

Re Physics, please correct me as required but in the way I use the phrase "first principles" here, Physics does not have any first principles. Physics is observation, hypothesis, experimentation and repeat. After a certain hypothesis has sufficient amount of experimental proof behind it, it becomes a theory and thus the foundation for further work. And occasionally, we find that there is a variable missing in the theory as the experiments did not test the situations that that variable speaks to. Then we test to tease out the nuances of that aspect of reality. And so on.

Economics has first principles, in the sense I use the phrase. Thus the Q: What is an economy? It leads to those first principles and then deduction covers the rest. But one can of course get the first principles wrong and the deduction is then useless.

Why is Mencius Moldbug so popular on Less Wrong? [Answer: He's not.]'s still a lot more reliable than deduction from first principles...

I know it's been a while since this comment, but I wanted to comment that sound deduction (ie, logical reasoning) on top of correct premises trumps other forms of evidence, even well-controlled, large-sample experiments. Or put another way, the former renders the latter superfluous. We should not simply take anyone's word for the deduction of course - we have to double-check the premises and understand the deduction step by excruciating step. But once one is satisfied that the premises are correct and the deduction is bullet-proof, one can sleep soundly :)

Nothing trumps sound reasoning. The scientific method itself is a result of reasoning, a point well made by Moldbug here:

As an analogy, I find fascinating the MWI vs Collapse debate at LW - Eliezer has concluded MWI wins as an outcome of pure reasoning. No empirical evidence required. It will be (is?) wonderful if (when?) we factorize large numbers quickly and that is evidence of MWI, but as above, it would be (is?) superfluous. If the reasoning offered by Eliezer is coherent (I don't know enough to judge), case closed. Please correct me if I have misunderstood. Thanks

Edit: MWI paragraph added.

Why is Mencius Moldbug so popular on Less Wrong? [Answer: He's not.]

I misunderstood the Q. In my opinion, yes. There is no other way to get a sound (ie, based on sheer deductive coherence) grasp of the subject. So, attack the issue for yourself:

The first one has a very minor error btw - prob a typo. Good exercise to find it. A friend of mine just pointed it out to me.

Why is Mencius Moldbug so popular on Less Wrong? [Answer: He's not.]

Thanks, Multiheaded.

Wonder what a FAI would know about human motivations, dynamics and joys that we don't and thus it chooses differently from the scenario above.

Based on my understanding thus far, this would be a consummation devoutly to be wished. Separating man from man, except where they voluntarily choose to interact. Of course, I likely misunderstand.

Why is Mencius Moldbug so popular on Less Wrong? [Answer: He's not.]

I mean that in a monetary economy, one always buys goods and services with money. One side of the transaction is money, whatever it is. Sophisticated here means an economy that has progressed beyond barter and developed a medium of exchange and a store of value, ie, Money.

Important to note separately that multiple currencies are results of legal tender laws. In the absence of such interference, the market would choose one commodity as Money (refer the linked article) and it would not be paper with ink on it. Yes, what could happen is that the chosen commodity is then represented by pieces of paper, but they are simply a more convenient token for the commodity, which is kept in store. And there could be multiple different papers with different names, but they all refer to the stored commodity and are thus economically equivalent and with fixed ratios among them. This economically sound system used to exist - close enough - in the 19th century.

Even now, the various currencies are not different in any meaningful economic sense. Non-US countries use the USD as the reserve for their own currencies. Some also use the Euro, Yen etc. But analyze the Euro and one sees tender laws and gold standing behind it. What stands behind the USD? Laws and legitimacy of the govt enforcing those laws. There is gold, which would be called upon if peple reject the currency as it is. We need to separate the surface phenomena from the economic relationships underlying them.

Why is Mencius Moldbug so popular on Less Wrong? [Answer: He's not.]

I recently read his Fnargl series of posts and the posts on his political journey from Mises to Carlyle and why he is no longer a Libertarian.

I have also read and tried to understand (I probably misunderstand) Eliezer's posts & debates on FOOM, CEV etc.

So, here is a (mostly tongue-in-cheek) scenario combining both Eliezer and Moldbug's ideas.

The FAI (obviously having the powers of the Fnargl-Alien and more) functions as the ideal global Sovereign/Govt - ie, it perfectly enforces all rights of all sentient creatures, functions with an infinite time horizon and protects the planet and all future abodes from other-worldly threats (asteroids and so on).

Whether CEV leads the FAI to the same conclusion, I cannot know. But I sure hope so.

Why is Mencius Moldbug so popular on Less Wrong? [Answer: He's not.]

Thanks. I have read that post by Eliezer before. The issue with monetary economics is the number of variables. Money is one half of every single transaction, in a sophisticated economy. A sound economist's standards for evidence are not any higher than anyone else's, or should not be. It is just that the array of variables is huge and gathering enough data for inferring causality, in the way the post shows, is a pipe dream. Solution: deduction from first principles.

Economists assume certain causal relationships and just screen off everything else. This is so wrong, it is tragic. And its results will be tragic too. The last 5 years were a warm-up act.

Re definitions, the meaning of rational there is that the person acts based on his internal map of the world (this is how Mises used the word way back when and it is part of parlance in Misesian economics). It does not mean what LW thinks it means.

Re unknowable desires, it is a way of saying that economically relevant desires are revealed by economic actions. Demand means being willing and able to pay.

Semantic issue in both cases :)

Why is Mencius Moldbug so popular on Less Wrong? [Answer: He's not.]

Re the Q about rent-paying: Yes. You should rightly be skeptical now, but please read the Economics sub-section at Moldbuggery with an open mind. Or if you prefer, start with Rothbard's 'Man Economy and State'.

The reason I linked to Moldbug's articles in this thread (indeed, this thread being only reason I signed up instead of lurking) is cos I have seen it said in LW that Misesian economics is incoherent, anti-empirical etc. With respect, people who say that are making a mistake. But what is germane is not the mistake, but the financial effect it can have.

Economics - of all subjects - pays rent. Maybe not in the short term, but eventually and especially when the central banks of the major economies are doing effectively insane things.

Why is Mencius Moldbug so popular on Less Wrong? [Answer: He's not.]

Please see my reply above to pragmatist.

To add a bit, the rigor in monetary economics today is so far behind physics, it is not fair to compare the two subjects. It is an insult to Physics.

Why is Mencius Moldbug so popular on Less Wrong? [Answer: He's not.]

Inferring causality from a time-series of various economic variables is incoherent. There first needs to be a deductive understanding of what the causal relationships are between economic variables. That is what is meant by "first principles" here - perhaps the disagreement is semantic.

Data about effects of economic policy tells us nothing if one has not already pre-supposed causal relationships between certain variables (ie, which variable is affecting which). If one had not done so, how does one know which variables to link with which other one? The causality which is being claimed to be derived is actually assumed or it is a result of the data-mining effect.

More importantly though, I suggest (for what it is worth) that you ignore my comments which are replies to others' comments and try the original article. It repays inspection.

I have no expertise in cosmology. So I have no opinion on that which is worth stating. The only comment I have is that Physics has causal relationships clearly defined and known. The different theories thus could make different testable predictions about what we should expect to see in the here and now.

In economics, the different schools (more accurate to call them ideologies) do not agree on basic causal relationships between variables. In more than one case, one of the main tenets (of a popular ideology) is plain, flat-out incorrect, and sometimes definitionally misunderstood. I know it may be hard to believe that monetary economics is that shaky a subject, but it is. The last hundred years have been a regression when it comes to monetary economics. Thus, the first principles analysis: What is an economy?

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