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Nonzero: The Logic of Human Destiny von…
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Nonzero: The Logic of Human Destiny (Original 2000; 1999. Auflage)

von Robert Wright

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In a book sure to stir argument for years to come, Robert Wright challenges the conventional view that biological evolution and human history are aimless. Ingeniously employing game theory - the logic of 'zero-sum' and 'non-zero-sum' games - Wright isolates the impetus behind life's basic direction: the impetus that, via biological evolution, created complex, intelligent animals, and then via cultural evolution, pushed the human species towards deeper and vaster social complexity. In this view, the coming of today's independent global society was 'in the cards' - not quite inevitable, but, as Wright puts it, 'so probable as to inspire wonder'. In a narrative of breathtaking scope and erudition, yet pungent wit, Wright takes on some of the past century's most prominent thinkers, including Isaiah Berlin, Karl Popper, Stephen Jay Gould, and Richard Dawkins. Wright argues that a coolly specific appraisal of humanity's three-billion-year past can give new spiritual meaning to the present and even offer political guidance for the future. This book will change the way people think about the human prospect.… (mehr)
Mitglied:darwin.8u
Titel:Nonzero: The Logic of Human Destiny
Autoren:Robert Wright
Info:Pantheon (1999), Hardcover, 448 pages
Sammlungen:Deine Bibliothek, Lese gerade
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Tags:Hardcover, Non-fiction, Journalism, Ebay

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Nonzero: The Logic of Human Destiny von Robert Wright (2000)

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Wright's thesis is that human history has a destiny -- or at least a direction. This is not a mystic or supernatural direction. Rather, the history of matter, life in general, and humanity in particular tends toward complexity over time. This, in turn, is because there exist opportunities for nonzero sum interactions.

The rest of the book builds this argument starting with human culture and then discussing the origination and evolution of life. It's history through a particular lens in the style of Jared Diamond (or, to use a more contemporary example, Yuval Noah Harari). Like all good lenses, it doesn't explain everything but it does help bring clarity in certain areas. As is common for this genre, the tour through history is somewhat selective so as to emphasize the point. However, Wright gets credit for selecting the examples that both best support and most challenge his lens. A number of the chapters belabor the point more than they need to, and Wright spends a decent amount of time immersing himself in the debates that were de rigueur in 2000 -- hence 4 stars.

Instead of going into detail about the full argument, I'll focus on the core: nonzero sumness and how it leads to complexity. Given that core, the rest of the argument is interesting and important to work out in detail (beautiful theories often fail when faced with the detail of reality), but I'll leave that as an exercise to the reader. :-D

A nonzero sum interaction is one where coordinated action yields more net value than uncoordinated action. I intentionally use the term coordinated rather than cooperative to highlight the key point that a nonzero sum interaction need not involve conscious agents. That said, I'm going to use agent based language from here on out because to do otherwise tortures English. But remember that conscious agents are not necessary for nonzero sum interactions.

A coordinated action yields more value than the agents would have realized independently, but for the coordination to really be successful, each agent needs to individually realize more value than they would have realized without the coordination. Otherwise, there is no incentive to coordinate. As Wright puts it, every nonzero sum interaction has a zero sum core: the coordination produces more value than not coordinating, but that value needs to be divided and that division is zero sum. (Unless the agents have gotten to the point where their destinies are so shared that they can hardly be called independent anymore and they both realize all the costs and value of coordination.)

Time again to step back from agents. I said that Wright used this model to discuss the broad stroke mechanisms by which life might have originated. Molecules have no incentive to coordinate. So we have to instead think about success through the lens of natural selection. Natural selection works by a sheer numbers game: whatever genes are more successfully propagated to the next generation "win" the evolution game. The same is true for more mechanical molecular structures. Coordination at this level -- and really, up to the level of somewhat sophisticated life -- is a matter of there just being more of a particular structure around. And eventually, levels of coordination become intricate enough that the two coordinating agents are not really independent any more (e.g. nuclei and mitochondria in cells or humans who want to live in societies that have massive infrastructure like electricity).

(In normal evolutionary manner, this doesn't mean that the less coordinated agents don't continue along their own evolutionary track. Increasing complexity doesn't require less coordinated agents to disappear, although it may introduce pressures that they need to adapt to.)

Getting back to nonzero sum interactions, if coordination yields more value than a lack of coordination, then coordination strategies will be more successful over time. This is true even if every instance of coordination requires completely random coincidence to get started. Think of nonzero sum interactions as a ratchet: once a particular source of nonzero sum value started to be exploited, it's hard to move back to less cooperative strategies.

This ratcheting effect is the heart of Wright's argument that history has a direction. Because each step of complexity tends to be hard to undo and because more complex structures and organisms yield the potential for even more nonzero sum interactions, complexity tends to increase over time. A subset of molecules coordinate to become simple organisms to become more complex organisms to start evolving ever and ever more complex culture.

As Wright makes sure we are all clear on, this does not violate entropy. This order does not come without a cost. Acts of coordination -- including the coordination to merely sustain something like an organism -- take in energy; some goes to waste.

In this framing, nonzero sumness sounds totally awesome! And it is pretty awesome. In general, coordinating will yield more total value than the sum of the value created by not coordinating. However, coordination that lasts over many iterations increases interdependence. Nonzero sum interaction mean we succeed together and we fail together. To use an example from human culture, if two societies start trading they can specialize but that means that if their trading relationship is interrupted, they will no longer be able to provide as effectively for themselves as they would have if they had stayed independent. This yoking explains why nonzero sum relationships have often failed just as spectacularly as they have succeeded. Wright does not argue that coordination always brings success, just that coordination is the more successful strategy in the long run. Even in the case of our hypothetical trading partners, if they realized enough value before their relationship were interrupted, then coordination is likely a net win.

Overall, this was a good book that has aged well. ( )
  eri_kars | Jul 10, 2022 |
I really wanted to like this book. I am sympathetic to its general premise: that human history is generally "Whiggish" and has moved in the direction of greater peace and prosperity over time. (I loved Steven Pinker's The Better Angels of Our Nature: Why Violence Has Declined, which made a similar point but in what I found a much more solid manner.) And I found its opening chapters, looking at pre-state societies through anthropological and archaeological, to be fascinating.

But as Wright moved forward in development, from pre-historical states to the realm of history, I grew less enchanted. This wasn't a coincidence: I know a lot more about classical, medieval and early modern history than I do about prehistory and anthropology, and I immediately identified where Wright's breezy, 10,000-foot view was omitting important counterexamples. (One immediate one: his dismissal of the collapse of the Western Roman Empire as a relative nonevent ran directly against The Evolution of God: it was similarly breezy, as well as sharing a similar obsession with the philosopher Philo of Alexandria.)

I like big-picture books. I just think Wright's historical case could have done with another 100 pages worth of examples. Perhaps those could have been inserted in place of the book's misplaced second section, which detoured from cultural evolution back to biological evolution to reapply the same thesis.

Of course, I don't need to wish for that. Pinker's more solidly written Better Angels essentially took Wright's general thesis, stripped it of his metaphysical musings, and backed it up with a bevy of prehistorical, historical and psychological research to produce a much more compelling read. ( )
  dhmontgomery | Dec 13, 2020 |
I enjoyed the book, although I found it a bit too dense. Thoroughly researched, but took too long to get the messsges across which therefore became a little lost. The main idea is that humans are shaped by both biological and cultural evolution. That biological is no longer determining natural selection, that there is an inevitable direction towards increasing complexity, that if humans hadn’t evolved intelligence, another animal would have. And not one necessarily closely related to us. Eg dolphins show many traits of cultural evolution. I got a bit lost about the idea of purpose in the design of life. Recommended for the hardy few. ( )
  jvgravy | Jan 1, 2018 |
It's brilliant. Like Guns, Germs, and Steel, examines all of human history through a single lens, in this case win-win games.
The thesis is that human life and all progress comes about as a series of non-zero sum interactions, games where both parties win.

It gets a bit repetitive some times - when a story begins you can start predicting how it will end because there is only one theme in the book, but it effectively demonstrates the idea and shows you the impact throughout history and applications for the future. ( )
  snarkhunt | Dec 30, 2009 |
Having just finished Nonzero for the second time, I've got to admit it is seriously one of the best and most important books I've ever read. Why did I have to read it a second time? The first was a quick read over a long weekend two years ago -- but something stuck in my mind that I hadn't really "grokked" it. And that was true, because, I read it as an archaeologist, rather than as an anthropologist, and I guess I was just looking at it as another theoretical bent. But there was that gnawing feeling I'd missed something. On a second 'conscious' reading of the book, slowly digesting as I read, and following all the notes, I came away with the gist of it, and you know, Wright's right: civilizations may come and go, but cultural evolution is here to stay. Is there a method to the madness? Yes, absolutely. Is it 'conscious' in its own right? Well, there's the rub. But as far as showing that cultural evolution proceeds pretty much along the same route as biological evolution (only at hyper-speed), well, Mr. Wright, I'm convinced.

If there is any criticism, I'd have to say it centers on the fact that he lays it all at the feet of (the pursuit of?) non-zero-sumness (a sub-set of outcomes related to game theory, and which he freely admits was awkward at times), and that took some getting used to, as well as understanding, and then believing.

The exploration of history against a background of Darwinian biological evolution, even to the molecular level, is mind-numbing, but well worth the ride. And his explanation of the (probability and) nature of life is awe-inspiring. I would suggest it become a standard text in Anthropology graduate courses as soon as possible.

But again, I think it is a very important book, and I would highly recommend it to anyone with an open mind, intelligence, and hope for the future (and a good background in the sciences wouldn't hurt either). Read it slowly and contemplate the consequences. Thanks Mr. Wright. ( )
2 abstimmen Davidicus | Jul 15, 2009 |
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In a book sure to stir argument for years to come, Robert Wright challenges the conventional view that biological evolution and human history are aimless. Ingeniously employing game theory - the logic of 'zero-sum' and 'non-zero-sum' games - Wright isolates the impetus behind life's basic direction: the impetus that, via biological evolution, created complex, intelligent animals, and then via cultural evolution, pushed the human species towards deeper and vaster social complexity. In this view, the coming of today's independent global society was 'in the cards' - not quite inevitable, but, as Wright puts it, 'so probable as to inspire wonder'. In a narrative of breathtaking scope and erudition, yet pungent wit, Wright takes on some of the past century's most prominent thinkers, including Isaiah Berlin, Karl Popper, Stephen Jay Gould, and Richard Dawkins. Wright argues that a coolly specific appraisal of humanity's three-billion-year past can give new spiritual meaning to the present and even offer political guidance for the future. This book will change the way people think about the human prospect.

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