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: eating only half as much food as they were a year ago. Afghans are now spending half their income on food, up from a tenth in 2006.
On a conservative estimate, food-price rises may reduce the spending power of the urban poor and country people who buy their own food by 20% (in some regions, prices are rising by far more). Just over 1 billion people live on $1 a day, the benchmark of absolute poverty; 1.5 billion live on $1 to $2 a day. Bob Zoellick, the president of the World Bank, reckons that food inflation could push at least 100m people into poverty, wiping out all the gains the poorest billion have made during almost a decade of economic growth.
Small is fairly beautiful
In the short run, humanitarian aid, social-protection programmes and trade policies will determine how well the world copes with these problems. But in the medium term the question is different: where does the world get more food from? If the extra supplies come mainly from large farmers in America, Europe and other big producers, then the new equilibrium may end up looking much like the old one, with world food depending on a small number of suppliers and—possibly—trade distortions and food dumping. So far, farmers in rich countries have indeed responded. America’s winter wheat plantings are up 4% and the spring-sown area is likely to rise more. The Food and Agriculture Organisation forecasts that the wheat harvest in the European Union will rise 13%.
Ideally, a big part of the supply response would come from the world’s 450m smallholders in developing countries, people who farm just a few acres. There are three reasons why this would be desirable. First, it would reduce poverty: three-quarters of those making do on $1 a day live in the countryside and depend on the health of smallholder farming. Next, it might help the environment: those smallholders manage a disproportionate share of the world’s water and vegetation cover, so raising their productivity on existing land would be environmentally friendlier than cutting down the rainforest. And it should be efficient: in terms of returns on investment, it would be easier to boost grain yields in Africa from two tonnes per hectare to four than it would be to raise yields in Europe from eight tonnes to ten. The opportunities are greater and the law of diminishing returns has not set in....
More from Selections From The Economist
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