This paper shows the importance of explicitly considering marketing margins in analyses of the impact of price changes on the welfare of different segments of the population. Failure to acknowledge the implicit marketing assumptions embedded in an analysis that assumes equal percentage changes...

Following the surge in world food prices of 2007–2008, there has been a revival of short-run household welfare analysis that seeks to understand whether food price increases are beneficial or detrimental for households. For a number of reasons, including lack of data in some instances, the...