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Page added on April 25, 2014

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Have We Reached The Limits Of Growth?

Have We Reached The Limits Of Growth? thumbnail
Robert Gordon has painted a dark picture of the world’s long-run economic growth prospects. But if the past is any guide, he will likely join the band of earlier distinguished economists who proved to be far too pessimistic about the human capacity to innovate.

Dennis Robertson, the renowned Cambridge economist and a contemporary of John Maynard Keynes, famously remarked that economic fashion was like going to the greyhound races. If one stood still long enough, the dogs would come around one more time. This certainly seems to be the case with fashions in economic pessimism about the long-term economic growth prospects of the world’s advanced industrial economies.

Each time these economies stumble, there is no shortage of economists who come out of the woodwork to advance plausible reasons as to why the limits of economic growth might have been reached. Yet each time, events seem to have proved these pessimists wrong — it has turned out that they consistently have tended to underestimate the ability of the human mind to come up with new ideas that might underpin renewed long-term economic growth.

Long-run economic pessimists have a notable lineage, yet a poor forecasting track record. Among the more notorious of these was Robert Malthus, the 19th-century English economist, who wrongly predicted that famines would be the order of the day even in advanced economies. He did so by buying into the plausible yet mistaken notion that populations tend to grow at geometric rates, while agricultural production tends to grow only at an arithmetic rate. He also failed to anticipate the tremendous benefits from advanced agricultural production techniques that would allow increases in farm production that more than kept pace with population growth.

He predicts that for the bottom 99 percent of the U.S. population, living standards will barely increase over the next 100 years.

More recent cases of long-run economic pessimists have included Alvin Hansen, who, after World War II, like Larry Summers today, mistakenly predicted that advanced economies would suffer from a secular shortage of aggregate demand. He was only to find that his prediction coincided with the very start of the golden world economic expansion of the next two decades, which was largely powered by an increasingly globalized economy.

And then more recently there were the “peak oil” economists, who not too long ago predicted that the world would suffer from ever rising oil prices as traditional oil fields were depleted. These latter economists eventually found that they too totally underestimated the power of technical advances like hydraulic fracturing, horizontal and deep-water drilling, and three-dimensional imaging of oil fields to substantially push out the energy production frontier. It was beyond their imagination to consider that the United States, the world’s largest energy consumer, would be set to become a net energy exporter by as early as 2020.

The new high priest of long-term economic pessimism seems to be Robert Gordon, a renowned U.S. economics professor at Northwestern University. In a recent influential paper, he has forcefully argued that the rapid economic progress made over the past 250 years could very well be a unique episode in human history rather than a guarantee of endless future advance at the same rate. This thought, together with his assessment of the major structural headwinds presently confronting the U.S. economy in the form of bad demographics, declining education standards, and high debt levels, leads him to the most dismal of conclusions. He gloomily predicts that for the bottom 99 percent of the U.S. population, living standards will barely increase over the next 100 years.

Gordon argues that there are clear signs that we are already entering the phase of diminishing returns with respect to the latest technology wave.

At the core of Gordon’s prognosis is the idea that since 1750 there have been three fundamental technology waves that have powered the world’s industrialized economies. The first was associated with the English industrial revolution between 1750 and 1830, which produced the steam engine, cotton spinning machines, and the railroads. The second and most important wave was between 1870 and 1900, with its three central inventions of electricity, the combustion engine, and running water with indoor plumbing. And the third wave, which began around 1960, involves the invention of computers and the internet.

Central to Gordon’s pessimism is his fear that the latest wave of technological progress might already be running out of steam. Unlike the first two waves of technological progress, which took around 100 years for their effects to fully percolate their way through the industrialized economies, Gordon argues that there are clear signs that we are already entering the phase of diminishing returns with respect to the latest technology wave.

In his view, most of the benefits from the high-tech revolution that allowed tedious and repetitive clerical work to be replaced by computers occurred in the 1970s and 1980s. By contrast, the inventions since 2000, which have been associated with the internet, have centered mainly on entertainment and communication devices. While these devices might have become smaller and smarter, they have done little to improve long-run labor productivity.

In 1998, Nobel laureate Paul Krugman famously made a similar observation, predicting that by 2005 or so it would become clear that the internet’s impact on the economy would have been no greater than that of the fax machine. This raises the question as to whether Gordon might not now be underestimating the likely impact of a whole host of promising new technologies on future labor productivity developments, as Krugman and others did before him.

He has forcefully argued that the rapid economic progress made over the past 250 years could very well be a unique episode in human history.

Fortunately there are good grounds to question Gordon’s grim view. Over the past few years, there appear to have been a number of major technological breakthroughs that could be of a transformative nature. Indeed, we would only seem to be at the very start of the development of robotics and artificial intelligence, three-dimensional imaging, the fuller exploitation of the human genome, and much more. It would seem to be presumptuous to dismiss such breakthroughs as holding little prospect for drastically improving our living standards and for fundamentally changing the way that the workplace will operate.

It would also seem presumptuous to say that in the future the human quest for knowledge will not produce major technological breakthroughs in much the same way as it did over the past 250 years. Never before in human history have so many people been devoted to pure scientific research and engineering endeavors as there are today. And the United States would now seem to be far from the only country from which pathbreaking technological discoveries might be expected.

We may also be on the very cusp of another prolonged period of cheap energy supply, which could do much to advance productivity growth. Not only is the United States on the path to become an important energy exporter, but major increases in natural gas and oil production are to be expected from places like Brazil, Cyprus, and Qatar. And this is occurring at the same time that non-conventional energy development might finally start to bear fruit.

In short, Robert Gordon is hardly the first member of the dismal science to have painted a dark picture of the world’s long-run economic growth prospects. And if the past is any guide, he will all too likely join the band of earlier distinguished economists, who proved to be far too pessimistic about the human capacity to innovate and progress.

Desmond Lachman is a resident fellow at the American Enterprise Institute.

By Desmond Lachman via The American



18 Comments on "Have We Reached The Limits Of Growth?"

  1. ian807 on Fri, 25th Apr 2014 8:42 pm 

    Empirically, civilizations have collapsed, and didn’t “innovate” their way out. The Mayans destroyed their own ecology. The Romans and the Asian Khans ran out of peoples to conquer. The British didn’t collapse, but the empire became too expensive to maintain.

  2. penury on Fri, 25th Apr 2014 9:22 pm 

    I have little doubt that advances in technology will have major advantages for the minority of humans on this planet. However, for the great majority life continues to be a struggle to maintain standards of the 1500s/ It apparent that regardless of how many Smart Phones are produced it will not be possible for the great masses to gain the necessities of life, as technology will replace them with other cheaper more efficient alternatives.Unless society (humans) are willing to accept that all needs and wants of the great majority must be provided without stint by (pick your provider of choice)then your vision is utopian. I have never seen a civilization without the poor starving masses and if it is a fact that people must eat, drink and be provided with shelter from the elements then an unlimited supply of resources must be foumd. OH, LOOK DADDY’ THE UNICORNS ARE HERE WITH OUR DINNER. And they were sent by the good folks of AEI.

  3. DMyers on Fri, 25th Apr 2014 9:45 pm 

    “It was beyond their imagination to consider that the United States, the world’s largest energy consumer, would be set to become a net energy exporter by as early as 2020.” Let’s take an MSM fantasy and treat it as fact!

  4. Makati1 on Fri, 25th Apr 2014 10:27 pm 

    The world stopped ‘growing at least 10 years ago. There is now only debt growth and money printing. Pretending that the collapse will never happen.

  5. Plantagenet on Fri, 25th Apr 2014 10:27 pm 

    I knew krugman was an economic moron but I didn’t know he was just as wrongheaded in his predictions about technology. THX!

  6. ghung on Fri, 25th Apr 2014 11:01 pm 

    “Fortunately there are good grounds to question Gordon’s grim view. Over the past few years, there appear to have been a number of major technological breakthroughs…”

    Are these ‘breakthroughs’ evidence that limits to growth don’t exist, or responses to them? Diminishing returns; ‘running out of ideas’; ignoring consequences…. None of these things indicate a survivable sea-change in human behaviour. Until we control our waste streams, none of it matters much.

  7. Poordogabone on Fri, 25th Apr 2014 11:38 pm 

    American Enterprise Institute.
    Nuff said.

  8. RICHARD RALPH ROEHL on Fri, 25th Apr 2014 11:54 pm 

    The number one factor claiming pessimism is the reality (this time)… is 7.2 BILLION baboony consumers on the planet. In 1900 there were one billion baboonies consuming the resources of the HOST ORGANISM.

    The dogs at the race track are dead from exhaustion. Extinction looms on the immediate horizon for humanity (ewe-man-unkind).

  9. GregT on Sat, 26th Apr 2014 1:12 am 

    “OH, LOOK DADDY’ THE UNICORNS ARE HERE WITH OUR DINNER.”

    Damn, I don’t see any Unicorns. Maybe I need to get a new pair of rose colored glasses.

    The old ones seem to have faded.

  10. J-Gav on Sat, 26th Apr 2014 4:07 am 

    Someone who says that U.S. living standards “will barely increase over the next 100 years” is treated as an arch-pessimist? Sounds more like a wild-eyed optimist to me.

  11. Arthur on Sat, 26th Apr 2014 5:47 am 

    It was beyond their imagination to consider that the United States, the world’s largest energy consumer, would be set to become a net energy exporter by as early as 2020.

    Note the wording… 2020 has yet to happen, but net energy exporting is already a done deal.

    He gloomily predicts that for the bottom 99 percent of the U.S. population, living standards will barely increase over the next 100 years.

    Please, please, let that happen.

    We may also be on the very cusp of another prolonged period of cheap energy supply, which could do much to advance productivity growth.

    Complete, utter BS.

    Not only is the United States on the path to become an important energy exporter

    So far, the US are importing 50% of their oil… ‘important energy exporter’ my foot.

    Mr Lachman is giving optimism a bad name. He admits that conventional oil is on the way out, but no problem, there are new technologies around and that observation is enough to declare all problems solved. Not a hint towards a back-of-an-envelope calculation/estimation how long these new technologies will prolongue industrial civilization.

  12. peakyeast on Sat, 26th Apr 2014 8:31 am 

    U.S. Can easily become an oil exporter.

    All it requires is levelling the american income with for example kenya and the production equally so.

    I suppose thats the part they dont tell… 🙂

  13. Boat on Sat, 26th Apr 2014 10:20 am 

    ghung
    Speaking of waste streams.

    http://www.cnbc.com/id/101615085

  14. Boat on Sat, 26th Apr 2014 10:22 am 

    J-Gav
    In Houston they can’t build $420,000 homes fast enough. Last year the same house went for $380,000. Where there is oil there is money.

  15. Northwest Resident on Sat, 26th Apr 2014 1:37 pm 

    “It would also seem presumptuous to say that in the future the human quest for knowledge will not produce major technological breakthroughs in much the same way as it did over the past 250 years.”

    Faith-based bullshit is the main theme in this article. Forget about the fact that we’re scraping the bottom of the barrel for oil. Forget about the fact that we are pulverizing our atmosphere and soil with toxic waste. Forget about the fact that the world economy is many trillions in debt that will never be repaid, and that it is only kept operational by rampant fraud and massive infusions of newly printed money. Forget all of that. Technology will save us!! It would seem presumptuous to not accept that faith-based hope as fact.

  16. dcheath40 on Sat, 26th Apr 2014 10:25 pm 

    What a waste of words and breath! The US is going to become a major energy exporter?…..oh please!!!! Just another corporate lackey spouting oil company propaganda. Even with the current 3 million barrels per day from fracking,the US is still importing 50% of it’s oil. So where is it going to get the other 9 million it needs in order to start exporting?? Do people know that most fracking wells deplete so rapidly that most of them are producing next to nothing after just 3 years? The fracking boom is just that….a short term boom! The corporate propaganda that is being tossed around is beyond belief.

  17. Arthur on Sun, 27th Apr 2014 9:52 am 

    In Houston they can’t build $420,000 homes fast enough.

    Yes, the US upper class is doing fine. But they can’t build soup kitchens fast enough either.

  18. Newfie on Sun, 27th Apr 2014 8:05 pm 

    “The only people who think exponential growth can go on forever are madmen and economists.” – Kenneth Boulding

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