Mon, Jul 03, 2023 page9

• Would AI-facilitated communism work?

  • By Daron Acemoglu
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  While Friedrich von Hayek is best known for his influential 1944 polemic The Road to Serfdom, his most celebrated work in economics is “The Use of Knowledge in Society,” a short article on how society uses and acquires dispersed information about economic fundamentals such as preferences, priorities and productivity.

  The article develops a powerful critique of central planning, arguing that no centralized authority can adequately collect and process “the dispersed bits of incomplete and frequently contradictory knowledge which all the separate individuals possess.” Without knowing each individual’s preferences among millions of products, let alone their ideas about where to use their talents most productively and creatively, central planners are bound to fail.

  By contrast, market economies can process and aggregate such information both efficiently and effectively. Price signals seamlessly convey data about market participants’ priorities and preferences. When tin becomes scarcer, its price rises, and Hayek explains, all that “users of tin need to know is that some of the tin they used to consume is now more profitably employed elsewhere and that, in consequence, they must economize tin.” Nor is this just about processing existing data. The market system, Hayek argues, is also better at discovering — or even producing — new, relevant signals: “The ‘data’ from which the economic calculus starts are never for the whole society ‘given’ to a single mind which could work out the implications and can never be so given.”

  Although Hayek is celebrated for offering a knowledge-based (or “computational”) critique of central planning, his arguments are best understood as a call for decentralization more broadly.

  He notes that, “If we can agree that the economic problem of society is mainly one of rapid adaptation to changes … the ultimate decisions must be left to the people who are familiar with these circumstances.” Ultimately, Hayek concludes, “We must solve it by some form of decentralization” — namely, through the market economy and the price system.

  For decades, Hayek’s arguments provided the basis for rejecting all kinds of regulation. If any regulation of economic activity (such as measures governing the release of new products) or of prices (such as caps or controls) interferes with the functioning of the price system, they would hamper the decentralized process of adaptation to an ever-changing world.

  However, artificial intelligence — especially generative AI models that encode, process and deploy (via hundreds of billions of parameters) massive amounts of pre-existing information — raises two challenges for Hayek’s argument.

  First, given AI’s ability to absorb, organize, and interpret data on a massive scale, one might wonder if it could render central planning more efficient than today’s market systems. Such is the hope behind “AI socialism” (or “fully automated luxury communism”): AI would give central planners the means to determine optimal and (supposedly) benevolent economic allocations.

  However, while AI socialism is an interesting thought experiment, it offers only a superficial critique of Hayek. Even if an AI could do all the computations and data collection that the market economy already does (a very big if), the concentration of power in the hands of a central authority would be a major cause for concern.

  The famine that killed five million Ukrainians in the early 1930s was not the result of Soviet leader Joseph Stalin failing to compute the right allocations. On the contrary, he had sufficient information, and he used it to extract as much grain as possible from the region (owing to larger political motivations and possibly a desire to devastate Ukraine).

  Moreover, Hayek’s criticism of central planning goes beyond crunching the existing numbers. It is primarily focused on adaptation to change, and thus emphasizes the creation of information as much as its use.

  “The sort of knowledge with which I have been concerned,” Hayek writes, “is knowledge of the kind which by its nature cannot enter into statistics.” The implication is that not even an all-powerful large language model (LLM) could deal with the true nature of dispersed information.

  However, AI also poses a second, deeper challenge to Hayek’s arguments. In the age of generative AIs like ChatGPT-4, should we even presume that markets would facilitate the decentralized use of information? The technology’s development is being led by Alphabet (Google) and Microsoft, two massive corporations that are very much in the business of centralizing information. Even if other companies can compete with this duopoly, LLMs, by their nature, might require high degrees of centralization. It is all too easy to imagine a scenario in which a large share of humanity gets its information from the same model.

  Of course, Google or Microsoft’s control of information is not the same as that of the Chinese Communist Party. As Simon Johnson and I argue in our new book, Power and Progress: Our Thousand-Year Struggle over Technology and Prosperity, even seemingly benign forms of centralization bring myriad economic and political costs, depending on who is ultimately in control. In the US, these costs include rising monopolization of the tech sector, because control of data creates entry barriers, and the development of business models based on constant online engagement and individualized digital ads, which breed emotional outrage, extremism and echo chambers online, with damaging effects for democratic participation.

  Decentralization, therefore, is still desirable, but to foster it in the age of AI, we might need to turn Hayek’s argument on its head — or at least on its side — by embracing regulation, rather than focusing solely on its potential costs.

  Daron Acemoglu is a professor of economics at MIT, and is a co-author (with Simon Johnson) of Power and Progress: Our Thousand-Year Struggle Over Technology and Prosperity (Public Affairs, May 2023).

  Copyright: Project Syndicate
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