Food Prices and Poverty
利用世界银行贫困数据，检验了实际食品价格变化与贫困之间的关系，发现食品价格上涨与贫困减少相关，而非增加，原因在于农业供给和工资的积极反应以及贫困人口对农业的依赖。
Do higher food prices help or hinder poverty reduction? Despite much debate, existing research has almost solely relied on simulation models to address this question. In this article World Bank poverty estimates are used to systematically test the relationship between changes in poverty and exogenous changes in real domestic food prices. We uncover indicative evidence that increases in food prices are associated with reductions in poverty, not increases. We empirically explain this result in terms of relatively strong agricultural supply and wage responses to food price increases, and the fact that the majority of the world’s poor still heavily rely on agriculture or agriculture-related activities to earn a living.