May 20th 2014

Setting the Right Global Goals

by Bjørn Lomborg

 

Bjørn Lomborg, a visiting professor at the Copenhagen Business School, is Director of the Copenhagen Consensus Center. 

COPENHAGEN – The world has generally become a much better place during the last half-century. Skeptics will scoff at the idea of overall improvement, but the numbers don’t lie. The task we face now is to make the world even better.

In the year 1960, 20 million children under the age of five died. In 2011, far too many kids were still dying. But, though there were 40% more children, the number of deaths had declined by two-thirds, to 6.9 million.

In 1970, only 5% of infants were vaccinated against measles, tetanus, whooping cough, diphtheria, and polio. By 2000 the proportion was 85%, saving about three million lives annually. Each year, these vaccines alone saved more people than world peace would have saved in the twentieth century.

Air pollution, the world’s biggest environmental problem, has declined dramatically. Though there has been a small uptick in outdoor air pollution, the much larger problem of indoor air pollution – cooking and keeping warm with open and polluting fires – has declined precipitously. Since 1960, the risk of dying from all types of air pollution has been more than halved.

Education has improved as well. In 1962, 41% of the world’s children were not in school – today that number is below 10%. The literacy rate worldwide has risen from one-third to two-thirds.

Likewise, the share of those living in poverty worldwide has dropped from 43% to less than 18% since 1981. During that time period, more than three billion people have joined the ranks of the non-poor.

There are many reasons for this progress – not the least being rapid economic development, especially in China. But there has also been a concerted international effort, reflected in the Millennium Development Goals, which the United Nations adopted in 2000 to make the world a better place by 2015. The MDGs set 18 sharp and mostly achievable targets in eight areas, including poverty and hunger, gender equality, education, and child and maternal health. In the period since 2000, development aid worldwide reached about $900 billion, of which perhaps $200 billion was due to the MDGs.

The UN is now contemplating how to extend this target-setting process from 2015 to 2030. If the successor scheme, called the Sustainable Development Goals (SDGs), has a similar impact, it could determine the allocation of upwards of $700 billion. Obviously, this means that everyone wants their favorite issue on the agenda, and more than a thousand targets have been proposed, which is tantamount to having no priorities at all.

It would be useful, therefore, to get a sense of what really works, not just what sounds good. My think tank, the Copenhagen Consensus Center, has asked 57 teams of economists to investigate 19 major areas and about 50 targets – asking how much each will cost and how much good it will do – by the end of this year, well before the UN decides on its SDGs in late 2015. But the negotiations have already begun, and the UN would like some information right now. So we asked our economists to give a quick assessment on about 100 of the proposed targets.

Some targets, such as getting broad access to family planning, are phenomenally good. That is because contraception is mostly inexpensive and can help both individuals and society. The benefits can rise as high as $150 for every dollar spent.

Similarly, we should focus on at least halving malnutrition, because there is robust evidence that proper nutrition for young children leads to a lifetime of large benefits – better brain development, improved academic performance, and ultimately higher productivity as adults. For every dollar spent, future generations will receive almost $60 in benefits.

But the UN draft says that we should “end malnutrition,” and the economists warn that while such an absolute goal sounds alluring, it is likely both implausibly optimistic and inefficient. We cannot achieve it, and even if we could, the resources to help the last hungry person would be much better spent elsewhere.

Likewise, the UN would like to end HIV, malaria, and tuberculosis. And, while reducing malaria and TB significantly is a very good deal, it is likely that the goal of eradication is both unrealistic and uneconomical.

At the other end of the scale, some of the UN’s proposed targets are entirely unrealistic, like promising work to everyone. We do not know how to do that, and some low level of unemployment is necessary to have a functioning labor market from which employers can recruit. Instead, the economists suggest focusing on reducing barriers to employment, particularly for women.

Other poor targets simply cost more than the benefit they provide. Doubling the share of renewable energy by 2030 sounds good, but is an expensive way to cut just a little CO₂. Instead, we should focus on getting more energy to poor people, which is a proven way to increase growth and reduce poverty. And, to cut CO₂ emissions, we should phase out the substantial fossil-fuel subsidies that riddle much of the developing world, leading to wasteful consumption and straining government budgets.

The ultimate decision about which targets to set for the coming 15 years is a complex and deeply political discussion, and advice from economists will not magically resolve all complications. But providing evidence of what works really well and what does not makes it more likely that good targets will be selected – and that poorer ones will be left out.

Realistically, this approach may help to exclude only a few poor targets, or even just one, and it might generate enough tailwind to put just one additional good goal onto the final list. But, because the world is likely to spend $700 billion on the SDGs, even a small change can do tens or even hundreds of billions of dollars’ worth of good. That is why helping the UN narrow its priorities to include the best targets could be the most important thing that any of us can do this decade.



Copyright: Project Syndicate, 2014.
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