The year 1981 was a big one in my business life. It was the year Paul Allen and I incorporated Microsoft in our home state of Washington.
As it turns out, 1981 also had big implications for my current work in health, development, and the environment. Right when Paul and I were pulling all-nighters to get ready for the release of the MS-DOS operating system for the brand new IBM-PC, two rival professors with radically divergent perspectives were sealing a bet that the Chronicle of Higher Education called “the scholarly wager of the decade.”
This bet is the subject of Yale history professor Paul Sabin’s new book. The Bet: Paul Ehrlich, Julian Simon, and Our Gamble over Earth’s Future provides surprising insights for anyone involved in addressing the world’s “wicked problems.” Most of all, it gave me new perspective on why so many big challenges get bogged down in political battles rather than being focused on problem-solving.
So what was the bet? University of Illinois economist Julian Simon challenged Stanford biologist Paul Ehrlich to put his money where his mouth was and wager up to $1,000 on whether the prices of five different metals would rise or fall over the next decade. Ehrlich and Simon saw the price of metals as a proxy for whether the world was hurtling toward apocalyptic scarcity (Ehrlich’s position) or was on the verge of creating greater abundance (Simon’s).
Ehrlich was the country’s, and perhaps the world’s, most prominent environmental Cassandra. He argued in books, articles, lectures, and popular television programs that a worldwide population explosion threatened humanity with “the most colossal catastrophe in history” and would result in hundreds of millions of deaths from starvation and dire shortages not just of food but all types of raw materials.
Ehrlich is still preaching his doom and gloom.
Who won the bet? Simon. Definitively. Even as the world population grew from 4.5 to 5.3 billion in the 1980s, the five minerals that were included in the bet—chromium, copper, nickel, tin, and tungsten—collectively dropped in price by almost half. Ehrlich begrudgingly made good on the bet. But to this day he still does not concede that his predictions of Malthusian horrors have been off the mark. Similarly, he does not acknowledge that the discipline of economics has anything of value to contribute to discussions of population or the environment.
However he has inspired Green parties around the world to insist we need population control policies.
Even though I had gone back in recent years to read Ehrlich’s Population Bomb (1968) and the Club of Rome’s intellectually aligned book Limits to Growth (1972), The Bet was a stark reminder to me of how apocalyptic a big part of the environmental movement has been. Ehrlich claimed to have science on his side in all of his predictions, including how many people the Earth can feed. He stated as scientific fact that U.S. lifestyles were unsustainable, calling developed countries “overdeveloped countries.” Limits to Growth claimed the credibility of computer modeling to justify its predictions of apocalypse. …
We know now that Ehrlich was extremely wrong and that following his scientific certainties would have been terrible for the poor. He floated the concept of mandatory sterilizations. He pushed aggressively for draconian immigration policies that, if enacted, would have kept out much of the foreign talent that came into the U.S. over the past three decades and added greatly to the U.S. economy. Ehrlich and his fellow scientists criticized the Green Revolution’s agricultural innovations because, in his view, “we [will] have an even bigger population when the crash comes.”
On population, Ehrlich ignored the evidence that countries that developed economically dropped their birth rate. (The current view is that population will rise only modestly after hitting a bit over 9 billion by 2050.) Granted, population growth is a huge issue in some poor countries, where it creates locally some of the instability and scarcity that Ehrlich foresaw for the entire world. But fortunately, there is strong evidence that if we continue to produce innovative reproductive health tools and make them available to women who want them, and we keep pushing forward on economic growth, there will be fewer and fewer of these places in the decades ahead.
As incomes rise, births decrease. It’s ironic, but true.
The recent Economist special report on biodiversity makes a strong case that economic growth allows us to make environmental concerns a priority. It contrasts the environmental record of the rich countries with that of poor countries to say that economic growth is the best hope for environment protection. All of this suggests to me that we should be wary of broad attacks on economic growth.
The Green Party philosophy is historically anti economic growth. They now cover this up with buzz words such as smart growth and green growth.
I’ve been meaning to read “The Bet” so must get around to it.Tags: Bill Gates, environment, population