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Darwin's Conjecture: The Search for General Principles of Social and Economic Evolution Hardcover – Dec 1 2010


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“In Darwin’s Conjecture, Hodgson and Knudsen join numerous scholars from Darwin’s day to the present in attempting to extend Darwin’s analysis of selection to cover other sorts of phenomena, including socioeconomic evolution. The reader of this carefully and clearly written book will come away bereft of the usual superficial objections to selection outside gene-based biological evolution.”--David Lee Hull, Northwestern University (David Lee Hull)

“One of the most accomplished institutional economists of our time and his coauthor argue for a generalized Darwinism for the social sciences. They are far from alone in thinking that the time is right!”--Marion Blute, University of Toronto

(Marion Blute)

"A book that business people should read in order to understand business. It is a scholarly and profound work of relevance to all the social sciences."—Financial Times
(Financial Times)

"Hodgson and Knudsen argue in meticulous detail that [Darwin's] principles apply to all 'complex systems of population' in social and economic domains. . . . The authors conducted a massive amount of research in writing this book, which is a must read for social science scholars interested in evolutionary theory or complexity."
(Choice)

“Hodgson and Knudsen recognize that Darwinian principles operate at a high level of generality and that many differences exist between the biological and the social mechanisms through which variation appears, is selected, and is then inherited. Nevertheless, generalized Darwinism can be one of the foundations of a new science of evolutionary social change. . . . Well argued, timely, and well written . . . [Darwin’s Conjecture is] essential reading for anyone with an interest in [this] vibrant new field.”
(BioScience)

“Hodgson and Knudsen’s important book provides rigorous foundations for evolutionary economics. . . . The book exhibits a rigor, scholarship, and vision that others should emulate. It advances the discussion of evolutionary economics and sets a salutary standard of scholarly rigor and precision that puts evolutionary economics on a solid foundation. I urge you to buy it and read it.”
(Roger Koppl Review of Austrian Economics)

About the Author

Geoffrey M. Hodgson is research professor in business studies at the University of Hertfordshire, England, and the author of over a dozen books, including The Evolution of Institutional Economics and How Economics Forgot History. Thorbjørn Knudsen is professor of organization design at the University of Southern Denmark and has an extensive publication record specializing in evolutionary dynamics and adaptive organizations.
 

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Amazon.com: 6 reviews
19 of 22 people found the following review helpful
More powerful than I had anticipated...A definite must read. Jan. 26 2011
By Amazon Customer - Published on Amazon.com
Format: Hardcover Verified Purchase
This is an incredibly powerful book (and that's not hyperbole). The authors state in the opening, "The core Darwinian principles involve variation, selection, and inheritance (or replication). The claim that Darwinism applies to social evolution must rest on a clear picture of what these concepts mean. Otherwise, the arguments and counterarguments become lost in a fog. Consequently, much of this work is devoted to clarifying concepts and refining definitions at a fairly abstract level...The primary aim of this book is to show that the core Darwinian mechanisms of variation, selection, and replication apply to social entities and processes, and we give some examples of how they pertain to business and other social phenomena." Now, given that this book has apparently been somewhat (erroneously) advertised as a business/economics book (I base this on the blurbs above, i.e. Marion Blue and the Financial Times), I can only say that this manuscript is much more than some Gordon Gekko manifesto - it only loosely applies to economic matters.

In order to keep this review as short as possible let me skip to the chase. The authors begin with a historical account of several individuals who attempted to harness Darwinism (what the author's later call `Generalized Darwinism'), which is simply the application of Darwinism to social phenomenon; the two most discussed individuals are David George Ritchie and Thorstein Veblen. Also, the authors are quick to point out that this is not `Social Darwinism' in the traditional sense of the term (for more information on that path I would suggest reading: Eugenics and the Nature-Nurture Debate in the Twentieth Century (Palgrave Studies in the History of Science and Technology)). The authors then move towards explaining the confusion between the `Detail Level' and the `Abstract Level': "While the biological and the social are different levels of the same world, the detailed ontology of (say) genes is different from the detailed ontology of (say) the immune system, and both are very different from the detailed ontology of the human social world. A generalized Darwinism proposes that, despite these real and severe ontological differences at the level of detail, there are, nevertheless, also common ontological features at an abstract level. Precisely because it abstracts from detailed ontological differences, a generalized Darwinism cannot explain everything." Next, the authors discuss why some alternative theories are deficient (the problem of human intentionality, principles of self-organization, the "continuity hypothesis," and Lamarckism). Another great contribution this book makes is explaining exactly where Richard Dawkins (the 800-pound gorilla) has gone wrong in his works [e.g. The Selfish Gene: 30th Anniversary Edition--with a new Introduction by the Author]. They do this by drawing upon works by other heavy-hitters such as David Sloan Wilson [Evolution for Everyone: How Darwin's Theory Can Change the Way We Think About Our Lives] and Elliot Sober [Evidence and Evolution: The Logic Behind the Science]. Furthermore, the authors detail the reasons why the concept of the "meme" and the science of "memetics" never panned out [e.g.: Darwinizing Culture: The Status of Memetics as a Science]. So, once the authors have cleared the drawing board by explaining what they don't believe is useful, Hodgson and Knudsen begin to lay the groundwork for a much more robust explanatory generalized Darwinism. And this is where the book really takes off.

First, they give a detailed account of what the analogs to the genotypes and phenotypes are, which are the `Generative Replicator' and the `Interactor'. Also, they detail the conditions that must be met in order for an entity to be considered a Replicator or Interactor. This is quite substantial in-and-of itself; however, as I was reading I found a great deal of explanatory power in the book that wasn't explicitly mentioned by the authors. Here are three examples:
1. "Habit replication also often relies on imitation, which need not be fully conscious and can involve some "tacit learning." Imitation can result from an instinctive propensity that has itself evolved for efficacious reasons among social creatures." This is, which the authors don't mention, what I believe is exactly what `Mirror Neurons' do. This is explored by others such as Antonio Damasio in Self Comes to Mind: Constructing the Conscious Brain and Marco Iacoboni in Mirroring People: The New Science of How We Connect with Others.
2. "[Sidney] Winters argues that, although tacit or other knowledge must reside in the nerve or brain cells of a set of human beings, its enactment depends crucially on the existence of a structured context in which individuals interact with each other. More broadly, much of the information that is used and transmitted in a culture is embedded in social structures and organizations, in the sense that its existence and transmission depend on them." This is, which the authors don't mention, what I believe is exactly what the `Extended/Embedded/Embodied Cognition' is all about. This is explored by others such as Lawrence Shapiro in Embodied Cognition and Richard Menary in The Extended Mind (Life and Mind: Philosophical Issues in Biology and Psychology).
3. "Through a shared language, one person can access the mental model of another. This transmission of mental models is improved by close interaction with error correction. By means of gestures and questions, agents establish joint attention that increases the accuracy of transmission of mental models and establishes mutual understandings. Language is a vital link in this causal chain. Without language, it would be much more difficult to communicate mental models and develop shared understandings at a detailed level. Habits of thought satisfy all four of our conditions for a generative replicator. They constitute conditional generative mechanisms that are essential to a generative replicator." This is, which the authors don't mention, exactly what John R. Searle discusses (especially his concept of a "Status Function Declaration" in his book Making the Social World: The Structure of Human Civilization. In fact, I found that Searle's book and Darwin's Conjecture overlap to a great, and advantageous, extent. I would strongly recommend reading both books together.

In sum, the premise is very simple. Human instincts are grounded in our genetics (Genotype/ Replicator) which is "hosted" in our body (Phenotype/ Interactor). Our instincts are then subverted by our habits and reason (which are Generative Replicators), which we gain through exosomatic and symbolic systems. This is described in the last section of the book, where Hodgson and Knudsen detail historically and chronologically, how generalized Darwinism works through Replicators and Interactors on the `Genetic,' `Cultural,' and `Organizational' levels (there is also a great chart that shows this). For me, this book has filled a tremendous explanatory gap; I was able to place many different things into the model that the authors have devised. And there is more in the book (i.e. how group selection really works) that I don't have the time or the space to include. Suffice it to say that this book is exceedingly important and I hope it receives the attention it deserves by everyone, not just economists or business management types. Lastly, I found it much more beneficial than, Evolution--the Extended Synthesis, which tries to accomplish what Hodgson and Knudsen have done here. This is a fantastic book; I highly recommend it.
2 of 2 people found the following review helpful
A social evolution primer July 15 2014
By R. Mutt - Published on Amazon.com
Format: Hardcover Verified Purchase
I have read a few "lite" books on evolution but usually steered away from its applications to the social realm simply because there were too many polarized options, nothing looked like it would walk me through the ideas without preaching them at me or condemning them. This seemed to be a good book to cover this gap, and I was right.

Basically this book provides a fairly sophisticated analysis of social and cultural evolution in the light of the most influential works on the topic. We find out what arguments are for and against it, how we can sanely use the world "evolution" without implying radical change or improvement, and how we can explain both culture and biology using general principles can come from Darwin's empirical observations and relatively basic hypotheses.

In some ways this book was more than I bargained for, and it doesn't take a very straight-forward approach to its topics. I sometimes felt like I had to struggle to understand what, in retrospect, turned out to be a simple concept. Am I dumb or did the book confuse the topic? Who knows. I did find that the glossary was very helpful, and reading it several times to tie all the concepts together into a single interlink system of ideas was an incredibly powerful way to make sense of everything else. If you're not new to any of these ideas, you can just read the book straight through with few problems.

In all I feel like I got what I came here for, and don't feel like I need to spend much more time figuring out the fundamentals. I am now reading a couple social history books and can see the ideas taking better shape. A definite recommendation before embarking on more empirical studies wherein the theoretical ideas become useful if not necessary.
1 of 1 people found the following review helpful
They tell me that it's evolution, well you know... Aug. 10 2014
By Junglies - Published on Amazon.com
Format: Paperback
Geoff Hosgson's work has developed from an institutionalist perspective through to this attempt to provide an overarching set of principles of general applicability to both social and economic evolution.

I, for one, do not necessarily dispute the fundamental position that is adopted given that we are all people but where I depart company from this well worked out, stimulating work is with the implicit and sometimes explicit assumption that behavior is directed by social institutions which are not arrived at through choice, however defined, but through some innate race memory.

Having said that there is a wealth of material contained within this well written, well argued, excellent piece of scholarship which will keep many research projects and stimulating debates for many years to come. I would expect Hayekian scholars to pay most attention to this work outside of the modern institutionalist camp but there are others, such as scholars working in the fields of network economics and non-linear dynamics who would benefit from it's study. I wonder too what researchers in neuroscience might make of it also.

The authors preempt some of the criticisms some would make and assimilate the points into the text, providing a coherent narrative to their points. I thought often of Popper's remark that a theory that explains everything explains nothing, yet at the same time came to admire their attempt to extend the frontiers of what clearly have been developments over the years into a coherent framework which, I am sure, would be the first to agree, seeks to establish a bridge between a social "science" of economics and evolutionary biology.

While not a novel, this book challenges you throughout it's length to grips with it's arguments and in that sense it is edge of the seat stuff, so much so that I have read it at mealtimes and frequently with audible remarks when I met with some points with which I dispute.

In my own opinion there are points of tangency between the authors and some of the Austrian School, which no doubt will raise hackles with others working in the latter tradition.

I would highly recommend this book to anyone working in over a dozen fields and to the general, educated reader and I look forward to the next work to follow from this.
Darwinism generalized only as far as social evolution Aug. 22 2015
By Tim Tyler - Published on Amazon.com
Format: Hardcover Verified Purchase
This is a fine book on the important but much-neglected topic of universal Darwinism - or "generalized Darwinism" as these authors prefer.

The authors both come from an economics background - and the book is slanted towards this subject area.

The authors are clearly well read and start out with an interesting and useful history of the subject area.

I wholeheartedly endorse the application of Darwin's ideas to social and economic evolution. This book makes essential reading for anyone who shares this interest. Nonetheless, I found that I had many points of disagreement with the authors:

Though promoting "generalized Darwinism", these authors fail to expand the domain of Darwinism beyond social and cultural evolution and into the domain of inorganic physics and chemistry. This seems like a massive missed opportunity to me.

The authors are enthusiasts for the idea of group selection. I though their chapter about it was terrible. Not only do they fail to make a case for using group selection (as opposed to the competing kin selection framework), they fail to even mention kin selection. In my opinion, this indicates that they don't really understand the issues involved.

They criticize dual inheritance theory - on the grounds that "dual inheritance models must be expanded to at least six levels of inheritance". While it is true that there's more to inheritance than just culture and nucleic acids, their ideas about "levels of inheritance" don't make much sense.

I didn't get on with the authors preferred terminology either. They use the 'replicator' terminology, but don't defend it well against the criticism that the 'replica' prefix implies high fidelity copying - which they agree is an inappropriate connotation. I can cope with the "replicator" terminology - but the confusion this terminology has caused is pretty massive.

The authors defend a definition of "selection" that involves a combination of cross-generational copying and a choice from alternatives - citing George Price's posthumously published 1995 article titled "The Nature of Selection". I far prefer a simpler and narrower definition of "selection" which confines it to a simple choice among alternatives. This is what Price called "subset selection". "Selection" is an ordinary English word. In my opinion, biologists should not redefine the term to mean something counter-intuitive, when there's no good reason for doing so. The authors stick to Price's broad conception of "selection" that includes copying. They coin their own term for this: "successor selection". I find the idea that "selection" includes "subset selection" and "successor selection" to be needlessly complex: selection is one thing, copying is something else and there's no good reason to muddle these ideas together.

Lastly, I didn't like these authors laying into the "meme" concept. They claim that memetics is "insufficiently Darwinian" and says that the memetics literature suffers from "conceptual confusion". Apparently, "the idea of the meme has stultified rather than stimulated research". They say that memes as ideas leads to "an untenable dualism" while memes as neural states "procreate viruses of doubt that eventually undermine the whole memetics project". Basically, I thought that their criticisms were a bunch of nonsense. Meme enthusiasts have been some of the main promoters of universal Darwinism. You would think that these authors would recognize them as fellow travelers and try for a sympathetic interpretation. Instead the meme gets a bunch of bogus technical objections and an uncompromising rejection. It was disappointing to find that these authors had failed to understand memetics. It is their loss.
"Generalized Darwinism" - Science or Metaphor ? Sept. 14 2011
By Matthias Berg - Published on Amazon.com
Format: Hardcover
When we are talking about biology, I'm an "orthodox", rather inveterate Darwinist. Not of the postmodern, soft-core variety whose members just pay lip service to Darwin and evolution but then try to neutralize "Darwins's dangerous idea" (Daniel C. Dennett) by introducing some human touch because they find the idea of natural selection rather harsh and ruthless. Therefore, the project of Hodgson and Knudsen to create a metatheory called "generalized Darwinism" had all my sympathy. There is already another kind of cultural metatheory called "memetics", which I find not too convincing (see my review of "The meme machine" by Susan Blackmore).

It's pretty easy to apply some basic Darwinian principles to culture, but then the result is a somewhat diluted or mutilated Darwinism: Just take some sort of "variation" + competition + "selection" - you'll find this triad everywhere. But in this case (a) the concept of heritability is missing and (b) it's impossible to distinguish Darwinian from Lamarckian evolution. That's exactly what the authors try to avoid.
In order to apply the full and true Darwinian principles to culture, Hodgson and Knudsen make it clear that the distinction between replicator and interactor is essential (it's basically the dichotomy that Richard Dawkins termed "replicator and vehicle", the first being the genes, the second the phenotype). If this distinction is not made clear, it would be impossible to distinguish between inheritance and contagion.
The next distinction they underline is the one between "units of selection" and "units of replication". They criticize Dawkins for muddling two different aspects of selection: Selection OF vs. Selection FOR: "...there is selection OF interactors leading to selection FOR replicators" (p. 153).

For me, chapter 7.2 CULTURAL GROUP SELECTION is the most important one, because they try to conceptualize GROUPS as units of selection (i.e. interactors). They conclude "that conformist and prestige-based transmission reduces diversity within groups but can accompany greater variation between groups".
On a rather abstract level, Darwinism is not specifically about genes, but about the three key-concepts "trait variation", "heritability" and differential reproduction leading to "natural selection". If Darwinism is to be applied to entities like groups, you have to be able to identify some X that is passed on (i.e. inheritance). Or in other words: If groups are interactors, what are the replicators that are selected FOR?

That's the point where Hodgson and Knudsen arguments failed to convince me. According to their theory, the replicator (the "DNA" so to speak) of a group is its habits (on the level of organisations they call it "routines", as a kind of meta-habit).
I think that "generalized Darwinism" is a nice idea, but only as long as we treat it as a metaphor. It's like the concept "meme": as a metaphor (e.g. "this tune spreads LIKE a virus"), it's an interesting and entertaining idea, but as soon as you try to use it as a scientific theory, which presupposes that the theory has got not only descriptive value but also explicative and above all predictive power, the whole concept goes awry. It's the same with Einstein's theory of relativity or Heisenberg's uncertainty principle: they are extremly powerful theories if applied to physical entities. If transposed to the realm of culture, they are at best metaphors, and probably not very apt ones...

Back to "generalized Darwinism" à la Hodgson and Knudsen: I think that they fail when it comes to identify the "DNA" of groups. To say that "habits and routines" are the replicators of groups and organisations misses an important point: a habit is not necessarily a discret entity that can be inherited (a ritual is one, but rituals are rather rare). It's simply impossible to distinguish (as the authors themselves stipulated!) a habit that is passed on because of contagion from a habit that is truely inherited.

I think that "generalized Darwinism" (like its sister "memetics") is but a mirage. The mirage is so tantalizing because on the one hand it's possible to describe groups as "vehicles" or "interactors", provided that the group has a clear-cut identity, like a soccer team or a religious sect. BUT on the other hand it's impossible to identify corresponding units that qualify as true replicators; habits and routines are too vague and fuzzy for the job.

What really vexed me while reading the book was that Hodgson and Knudsen never left the abstract and theoretical level of discussion to give us some real-world example of the replicator/interactor interaction in culture. I tried to make up my own example : What about Apple or Google? If the company named Apple is a unit of selection = an interactor (it certainly is): what is its replicator, its "DNA"? Is it its specific Apple-like routine? That's preposterous, because Apple's success may be due to a lot of things (probably it has something to do with Steve Jobs), but certainly not to some kind of "routine".

I'd say that it is simply impossible to pinpoint and identify the replicator of social entities like Apple, GM or the Dallas Mavericks. But then "generalized Darwinism" is just a nice idea, a metaphor, but not a scientific concept, despite the highbrow jargon.


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