Human evolution

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Advice for an Aspiring Economist

Published by Anonymous (not verified) on Thu, 24/09/2020 - 7:00pm in

A few weeks ago, evolutionary biologist David Sloan Wilson contacted me about an essay series he’s editing called Advice for an Aspiring Economist. The series aims to give advice to students who are interested in learning ‘evonomics’ — economics from an evolutionary perspective. It will be published in This View of Life Magazine and in Evonomics.

To my surprise, Wilson asked me to contribute an essay. I’m honored for two reasons. First, I still consider myself an ‘aspiring economist’. (I’m hardly an established academic.) Second, David Sloan Wilson is one of my intellectual heroes. For decades he’s battled against academic orthodoxy, promoting the idea that groups are an important unit of natural selection. Today, his ideas are widely accepted. Sociality, many scientists now believe, cannot evolve without group selection.

Back to economics. Here’s my contribution to Wilson’s series: advice for an aspiring economist.

✹ ✹ ✹

One of my favorite criticisms of the economics discipline is this:

… [Economics] provides an outstanding example of the “you can’t get there from here” principle in academic cultural evolution. It will never move if we try to change it incrementally.1

This criticism comes not from an economist, but from an evolutionary biologist — David Sloan Wilson. My advice to an aspiring (evolutionary-minded) economist is to remember Wilson’s words: you can’t get there from here.

Here’s what I mean.

If you learn economics as it’s taught in most universities, you’ll find it difficult to think in evolutionary terms. The reason is simple. Mainstream (neoclassical) economics treats humans as asocial animals — ‘self-contained globules of desire’.2 Unfortunately, this asocial model is wrong. Looking at human evolution, it’s clear that we’re a social species. Actually, we’re more than that. Humans are the most social of all mammals. Our group-forming ability is rivalled only by the social insects (ants, bees). Humans, in short, are ultra-social.3

Because mainstream economics treats humans as asocial, it’s a thought barrier to doing evolutionary science. As such, my advice is to not learn economics as it’s taught in most universities.

This advice may seem odd. Isn’t it like telling a chemistry student to skip Chemistry 101? Actually, no. It’s like telling a chemistry student to skip Phlogiston 101.

Never heard of phlogiston? That’s because it’s a long abandoned theory. In the 18th century, scientists proposed that combustion was caused by the release of a fire-like substance called ‘phlogiston’. The problem was that nobody could detect this mysterious element. Instead, scientists discovered oxygen. And so phlogiston theory was abandoned in favor of the oxygen theory of combustion.

Today, chemistry students don’t learn phlogiston theory. Science pedagogy has moved on. Unfortunately, economics pedagogy has not. If you take Economics 101, you’re learning the social-science equivalent of phlogiston theory — 19th-century ideas that should have been (but were not) abandoned. So if you’re an aspiring economist, skip the phlogiston theory. Skip Economics 101.4

That brings me back to Wilson’s statement: ‘you can’t get there from here’. The ‘here’ is both a theory and a place. You can’t use mainstream (neoclassical) economics to understand human genetic and cultural evolution. So if you want to do evonomics, you need to dump neoclassical theory. The catch is that you can’t dump neoclassical theory if you study in an economics department. That’s because in most econ departments, neoclassical theory is the core pedagogical canon. It’s required learning.5

Find a safe space

So what is an aspiring (evolutionary-minded) economist to do? I recommend finding a safe space to learn economics outside a traditional economics department. There are a few options.

One option is to study at a ‘heterodox’ economics department. (Here’s a list of such departments.) Heterodox departments are open to pluralist ideas and generally skeptical of neoclassical theory. These departments may not explicitly teach evolutionary ideas, but if you adopt an evonomics approach, you probably won’t encounter pushback.

Another option — one that I chose — is to learn economics in an interdisciplinary department. I studied in the Faculty of Environmental Studies at York University (Toronto). Students and professors in the department came from many different academic niches. I found the interdisciplinary environment both safe (for unorthodox ideas) and stimulating.6

Here’s what I like about interdisciplinary programs. First, they’re designed to be open. You can usually take courses from any department. (I took courses in ecology, sociology, and political science, among others.) Second, you’ll be around people with diverse ideas. Budding economists need to interact not only with other social scientists, but with biologists, ecologists, and other natural scientists. In an interdisciplinary program, you can do so daily. That stops you from getting stuck in an academic ‘silo’.

Studying economics in an interdisciplinary environment does have some downsides — not for doing science, but for advancing your career. If you dream of working in a university economics department, getting an interdisciplinary education is potentially career limiting. Economics departments tend to hire people who received a ‘traditional’ (i.e. neoclassical) economics training. (This revolving door is a big reason why the economics discipline is slow to change.) So if your goal is to be an economics professor, know that studying in an interdisciplinary program limits your options.

That being said, an interdisciplinary training also opens new doors. There’s a growing number of interdisciplinary programs where you could teach evonomics. And outside academia, the general public hungers for new economic thinking. For the past forty years, public discourse has been dominated by individualistic dogma. There has never been a greater need to remind people that humans are a social species, and that we’ve evolved to be so.

Majestic and practical

One of the beautiful things about evolutionary thinking is that it’s both majestic and practical.

Let’s start with the majestic. Humans are a social species — that much you probably know. But do you know the evolutionary history of our sociality? It extends deep into our past — far beyond what you might think. The evolution of sociality starts not with social animals like ourselves, but with social cells. Your body is not a single entity, but rather a group of cells that have evolved to cooperate. All multicellular organisms are similar — an evolved group of cooperating cells.

We can go deeper still. Your cells are composed of social organelles. Eukaryotic cells (like yours) are the result of an ancient merger of social prokaryotes. One prokaryote became the cytoplasm and nucleus. The other became the mitochondria — the cell powerhouse. Going still deeper, these organelles are composed of social molecules that somehow (at the dawn of life) managed to ‘cooperate’.7

Human sociality, then, is part of a long social lineage among life on Earth. Organisms that were once autonomous started to cooperate in groups. Sometimes these groups became so coherent that we think of them as ‘individuals’. It’s a story that has repeated countless times over a billion years. And humans are part of it. When I study economics, I try to keep this majestic history in mind.

What about practical problems? Perhaps surprisingly, the deep history of sociality is of practical importance. All social animals — whether human or otherwise — must solve a basic problem. For groups to succeed, group members must act prosocially. The problem is that within groups, it’s usually best for individuals to act selfishly. Among social animals, then, there’s a clash between individual interest and group interest. David Sloan Wilson and E.O. Wilson call this clash ‘the fundamental problem of social life’.8

Successful social animals have all solved this fundamental problem. They have suppressed self interest (at least to some degree) and promoted prosociality. The question is how?

In some animals (like ants), it seems clear that prosociality is instinctual. But in other animals (like humans) prosociality must be nurtured. What norms and institutions best foster human cooperation? We’re only beginning to answer this question.9 But what seems clear is that this question should form the foundation of economics.

Back to you, the aspiring economist. Do you marvel at the deep history of our evolved sociality? Do you also want to improve humanity’s lot? If so, the economics discipline needs you. Help move the field beyond its obsession with individualism. What awaits you is not fame or fortune, but the satisfaction of making the world a better place.

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  1. From David Sloan Wilson’s The Neighborhood Project.↩
  2. ‘Globules of desire’ is political economist Thorstein Veblen’s mocking term for the economic model of human behavior. See Veblen’s seminal essay Why is Economics not an Evolutionary Science?↩
  3. Humanity’s ultrasocial nature is a hot topic of research. Two good books on the subject are Peter Turchin’s Ultrasociety and E.O. Wilson’s The Social Conquest of the Earth.↩
  4. It’s not just renegades like myself who compare economic theory to ‘phlogiston’. Nobel-prize winning economist Paul Romer made the analogy in his essay The trouble with macroeconomics.↩
  5. For a satire of life in a (mainstream) economics department, see Axel Leijonhufvud’s essay Life Among the Econ.↩
  6. Students of evonomics take note: York University, together with McGill University and University of Vermont, is currently hosting the Economics for the Anthropocene graduate program. It aims to give an economics education that connects the ecological and economic realities of the Anthropocene.)↩
  7. The deep history of sociality is often called the ‘major transitions in evolution’. See John Maynard Smith and Eörs Szathmáry’s book of the same name for an exposition. For an interpretation of these transitions using the theory of multilevel selection, see Samir Okasha’s paper Multilevel Selection and the Major Transitions in Evolution.↩
  8. See David Sloan Wilson and E.O. Wilson’s essay Rethinking the theoretical foundation of sociobiology.↩
  9. For research on how human groups suppress selfishness and promote altruism, see David Sloan Wilson, Elinor Ostrom, and Michael Cox’s paper Generalizing the core design principles for the efficacy of groups.↩

Further reading

Leijonhufvud, A. (1973). Life among the econ. Economic Inquiry, 11(3), 327–337.

Okasha, S. (2005). Multilevel selection and the major transitions in evolution. Philosophy of Science, 72(5), 1013–1025.

Romer, P. (2016). The trouble with macroeconomics. The American Economist, 20, 1–20.

Smith, J. M., & Szathmary, E. (1997). The major transitions in evolution. Oxford University Press.

Turchin, P. (2016). Ultrasociety: How 10,000 years of war made humans the greatest cooperators on earth. Chaplin, Connecticut: Beresta Books.

Veblen, T. (1898). Why is economics not an evolutionary science? The Quarterly Journal of Economics, 12(4), 373–397.

Wilson, D. S. (2011). The neighborhood project: Using evolution to improve my city, one block at a time. New York: Little, Brown & Company.

Wilson, D. S., Ostrom, E., & Cox, M. E. (2013). Generalizing the core design principles for the efficacy of groups. Journal of Economic Behavior & Organization, 90, S21–S32.

Wilson, D. S., & Wilson, E. O. (2007). Rethinking the theoretical foundation of sociobiology. The Quarterly Review of Biology, 82(4), 327–348.

Wilson, E. O. (2012). The social conquest of earth. New York: WW Norton & Company.

African History in Maps

Published by Anonymous (not verified) on Sun, 05/07/2020 - 11:47pm in

Colin McEvedy, The Penguin Atlas of African History (Harmondsworth: Penguin 1980).

This is another book which I though might be useful for those with an interest in African history and archaeology. Colin McEvedy wrote a series of similar books, showing the progress of history through maps. They were on ancient, medieval and modern history, as well as an Atlas of World Population, with Richard Jones. This does the same for Africa, using maps of the continent from geological times through to 1978. The earliest is of the planet 175 million years ago, when Africa was part of a single supercontinent, Gondwanaland. Subsequent maps show how this had split into the modern continents by about 50 million years ago. This is followed by a map showing the development of the Great Rift Valley and Lake Victoria. The book then goes on with maps showing the early pre-human and human sites, the emergence of the different racial populations and language groups, and the various African peoples and the great states and civilizations, beginning with Nubia, Egypt, and Carthage. It shows the great migration and movements of peoples and their dispersion across the continent, and its population at various points in history. The maps also show Africa with southern Europe and the near east to illustrate how the empires from these areas expanded into Africa, such as Rome, Persia and the Arabs. Sometimes the movement of conquest was in the other direction, such as Carthage, whose territory included part of modern Spain, and the Almoravids, who rule Islamic Spain and part of northwest Africa. Some maps are of the continent as it was known to the ancient and medieval geographers in 1350, as well as the travels of Ibn Battuta, the Portuguese voyages of 1482-8, Vasco da Gama’s voyage to India of 1497-8, population and trade routes c. 1600, the foundation of European enclaves and trading forts, the population in 1800 and the European geographer’s view of the continent the same year and then in 1856, the European exploration of the east African lakes, and their invasion and conquest of the continent. The emergence of the newly independent African states is shown in a series of maps from 1960 onwards. The last map is of the African population as it was expected to be in 2000.

The blurb for the book runs

This is a succinct account of civilisation in the continent that gave birth to the human species.

It is a fragmented and turbulent history in which the movements of peoples contrast with the creation of permanent states – Egypt, the earliest organized kingdom in the world; Carthage, the trading city that built an empire to rival Rome; Nubia; Abyssinia; Mali, the land of gold; Benin and Zimbabwe. Seamen probe its coast, traders cross its deserts and gradually the exploiters move in; and then, in the twentieth century, Africa finds the leaders it needs to re-establish its independence and create the nation-states of today.

Using the formula successfully established in his previous historical atlases, Colin McEvedy outlines this progress with the aid of fifty-nine maps and a clear, concise trext. Though his synthesis will be especially useful to those involved in the teaching of African history, its broad perspectives will undoubtedly appeal also to the general reader.

This is obviously a dated book, and I’m not sure if some of the anthropological language used to describe some of the African races would be acceptable today. For example, the book distinguishes between Negroes, Pygmies and Bushmen. Obviously much of the book is very much as Africa was seen by outsiders, such as Arab travellers like Ibn Battuta, and the European explorers and conquerors. This is doubtless partly because many African cultures did not possess a written language before the appearance of Europeans. They did possess their own oral histories, and the Islamic empires of north Africa and Christian Abyssinia/Ethiopia were literate. In the case of the Islamic states, this was in Arabic, which served as the official language in the same way Latin did in medieval western Europe.

Despite its limitations, I still think this might be useful for people with an interest in African history. The texts accompanying each map are short, often no more than two pages, so the book should be accessible to ordinary people and not just university students.