Comprehensive empirical studies of the disarray in world agricultural markets appeared approximately 20 years ago. Since then, the Organisation for Economic Co-operation and Development has provided estimates each year of market distortions in high-income countries, but there have been no...

One of every two people in Sub-Saharan Africa survives on less than $1.25 a day. That proportion has changed little over the past three decades, unlike in Asia and elsewhere, so the region's share of global poverty has risen from one-tenth to almost one-third since 1980. About 70 percent of...