{"id":67915,"date":"2021-10-15T12:30:14","date_gmt":"2021-10-15T01:30:14","guid":{"rendered":"https:\/\/www.aspistrategist.ru\/?p=67915"},"modified":"2021-10-15T12:05:33","modified_gmt":"2021-10-15T01:05:33","slug":"prudence-over-sustainability","status":"publish","type":"post","link":"https:\/\/www.aspistrategist.ru\/prudence-over-sustainability\/","title":{"rendered":"Prudence over sustainability"},"content":{"rendered":"
<\/figure>\n

\u2018Sustainability\u2019 is an increasingly popular term used to signal one\u2019s virtue in contemporary public discourse, but it\u2019s a poor basis for sound public policy. It conveys a biologist\u2019s view of the economy without any of the prudence that economists favour.<\/p>\n

Biologist Paul R. Ehrlich gave exceptionally imprudent advice in his 1968 book, The population bomb<\/em>, in which he suggested that humanity was heading for acute resource scarcities and mass starvation. What happened instead is that world income kept rising, as it had been doing for two centuries, and as it shows every sign of continuing to do. Pessimism has been a poor predictor.<\/p>\n

As British historian Thomas Macaulay presciently asked<\/a> in 1830, \u2018On what principle is it, that when we see nothing but improvement behind us, we are to expect nothing but deterioration before us?\u2019 It was a good question then, and it is an even better one now. Environmental fundamentalists who insist that \u2018this time is different\u2019 are defying both logic and the historical evidence.<\/p>\n

In terms of real (inflation-adjusted) income, the rate of \u2018improvement behind us\u2019 has been about 2% per year on average. That might not sound like much, but it is a rate that produces astonishing results over the long run. It means that our great-grandchildren in 2100 will be over more than four times better off than we are today.<\/p>\n

As such, economic prudence dictates that some resources, like oil, should be used as much as is profitable at the prevailing opportunity cost of extraction plus a carbon tax for spillovers. Other resources, such as hardwood, should be used now at a high \u2018unsustainable\u2019 rate, because they will be worth relatively less to our much richer great-grandchildren. To deny today\u2019s poor the hardwood to build their houses (or the income from chopping hardwood down) for the sake of later generations is not ethical. Indeed, it amounts to taking from the poor to give to the rich.<\/p>\n

Beyond incomes, another key consideration is technology. Most of today\u2019s \u2018sustainability\u2019 talk is based on our current, feeble knowledge of the future. In the 1950s, futurologists predicted that we would have flying cars by now. We don\u2019t, but we do have many other things that they never could have imagined. Hollywood screenwriter William Goldman\u2019s famous observation<\/a> about which films will succeed with future audiences applies equally to the future of technology: \u2018Nobody knows anything.\u2019<\/p>\n

The reason is simple. If we knew, we would already know what we are going to know next year but do not know now. This basic contradiction cannot be evaded by handwringing about economic \u2018headwinds<\/a>\u2019, and certainly not by the precautionary principle, which holds that we should not adopt any new products or processes whose full effects are unknown. A better name would be the Oblomov principle, in reference to the 1859 Russian novel<\/a> in which a nobleman who is incapable of decisive action simply stays in bed all day.<\/p>\n

Anyone who thinks she knows the future should put her money where her mouth is. If you think a lack of sustainability will lead to scarcities of certain resources, you should be willing to bet everything in forward markets where those commodities are traded.<\/p>\n

To his credit, Ehrlich did put his money where his mouth was. In 1980, he and economist Julian Simon made a famous wager. Ehrlich chose five resources (copper, chromium, nickel, tin and tungsten) that he thought would rise in price (adjusted for inflation) during the 1980s, and Simon bet him $10,000 that the prices would in fact fall.<\/p>\n

Simon was banking on the prudent, elementary economic observation that if something becomes scarcer, there is a greater incentive to look for more of it or to invent some way out of the scarcity. If there is a housing shortage in some city, the smart money builds more houses to meet the increased demand (unless city-planning rules stand in the way, as is sadly the case in too many places nowadays).<\/p>\n

But, more important, Simon was betting on the creativity of free people. It is this factor that explains the astounding great enrichment of the past two centuries, when standards of living in countries such as Finland and Japan improved by a gob-smacking 3,000%<\/a>.<\/p>\n

We owe this progress to the gradual spread of the liberal idea articulated in 1776 by Thomas Jefferson and, separately, by Adam Smith: namely, that all people are created equal. The liberals of that period did not promise equality of opportunity or outcome; they promised liberation from human coercion (here, the slave-owner Jefferson did not put his money where his mouth was). They imagined and then started to create a society where ordinary people could \u2018have a go\u2019 without asking anyone\u2019s permission.<\/p>\n

Those who rose to the occasion built the world we now live in. They did it not with investment or exploitation but through innovation, broadly defined. Their feats could be as modest as a woman opening a hair salon in her neighbourhood or a poor man moving to California for work. And they could be as influential as a German nobleman (Wilhelm von Humboldt) inventing the modern university, a French gardener (Joseph Monier) inventing reinforced concrete, an American truck driver (Malcolm McLean) inventing containers for shipping or a Swedish nurse (Aina Wifalk) inventing the modern upright walker.<\/p>\n

Simon pointed out that there really is no such thing as a \u2018resource\u2019. The \u2018ultimate resource\u2019, as he put it, is human ingenuity, which has been gradually liberated since 1776. Rare-earth elements were merely interesting dirt until people started using them to build computers. Oil oozing from the ground was merely an agricultural nuisance until people learned how to make kerosene out of it.<\/p>\n

In the end, Ehrlich lost the bet and paid up. The prices of all five commodities had fallen by 1990. Prudence won out over the kind of sustainability advocated by biologists and Swedish teenagers. To remain prudent about costs and benefits, we need to listen to engineers and economists. We need to be sensibly optimistic about technological breakthroughs, like the recently announced method<\/a> of using E. coli bacteria to turn used plastic into vanilla flavouring (of all things).<\/p>\n

As dyed-in-the-wool pessimists, most sustainability advocates don\u2019t want to hear such things. To them, optimists who have confidence in the potential of modest geoengineering techniques\u2014such as making all roads white<\/a> to reflect the sun\u2014are today\u2019s \u2018great Satans\u2019. So, too, are economists like Nobel laureate William D. Nordhaus, who points out<\/a> that because we will obviously have greatly enhanced technological abilities in the future, we can look forward to improved carbon-capture technologies rather than slamming the brakes on the industrial civilisation that holds the key to our salvation.<\/p>\n

Let\u2019s be prudent and sensible, not sustainable and pathologically precautious.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u2018Sustainability\u2019 is an increasingly popular term used to signal one\u2019s virtue in contemporary public discourse, but it\u2019s a poor basis for sound public policy. 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