Sectoral Productivity Growth and Poverty Reduction: National and Global Impacts
研究了农业、工业和服务业生产率提升对全球贫困的影响，发现农业生产率增长在贫困国家减贫效果更显著，且随收入上升而减弱。
This paper examines the implications of productivity improvements in agriculture, industry , and services for global poverty. We find that, in poor countries, increases in agricultural productivity generally have a larger poverty-reduction effect than increases in industry or services. This differential declines as average incomes rise, partly because agriculture becomes smaller as a share of the economy, and partly because agricultural productivity growth becomes less effective in reducing poverty. The source of the poverty-reduction benefits from agricultural productivity growth changes as innovations are more widely adopted—moving from increases in producer returns to reductions in consumer prices.