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Cost-benefit analysis . . .
Setting limited doable priorities . . .
For the world, the recommendation is to focus on the following . . .
1. Reduce malnutrition. When children get better food, they develop their brains, stay in school longer and end up becoming far more productive members of society. Every dollar spent to alleviate malnutrition brings $59 of benefits.
2. Tackle malaria and tuberculosis. These two diseases debilitate huge populations in poor countries, but they are largely preventable and curable. In the most harshly affected countries, two people often do one person's work because one of them is sick. Benefit to cost ratio: 35 to 1.
3. Boost preprimary education, which costs little and has lifelong benefits by getting children started on learning. 30 to 1.
4. Provide universal access to sexual and reproductive health, which would save the lives of mothers and infants while enabling women to be more economically productive. It would also lower birthrates (when fewer children die, people have fewer children). Benefits could be as high as 150.
5. Expand free trade. This isn't considered sexy in the development industry, and it may seem remote from humanitarian issues, but free trade often delivers phenomenal improvements to the welfare of the poor in surprisingly quick time, as the example of China has demonstrated in recent years. One of the discoveries of the Copenhagen Consensus process is that incremental goals such as expanding free trade are often better than supposedly "transformational" goals. A successful Doha Round of the World Trade Organization could deliver annual benefits of $3 trillion for the developing world by 2020, rising to $100 trillion by the end of the century.
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