For decades, trade between countries in agricultural products has been distorted by policies of richer countries favoring their farmers with import barriers and subsidies. Agricultural trade has often also been limited by an anti-agricultural, pro-urban bias in many developing country policies....

For decades, earnings from farming in many low-income countries have been depressed by a pro-urban bias in own-country policies, as well as by governments of richer countries favoring their farmers with import barriers and subsidies. Both sets of policies reduce national and global economic...