This paper develops new, far more extensive estimates of export quality, covering 178 countries and hundreds of products over 1962–2010. Quality upgrading is particularly rapid during the early stages of development, with quality convergence largely completed as a country reaches upper...

Earlier 2020 briefs identified annual growth rates for world population of 1.7 percent per year based on United Nations projections and per capita income growth in low- and middle-income economies of 2.9 percent as the major driving forces for growth in agricultural demand. These growth rates...