Debate on the measurement of food inflation's consequences on poverty is back since the recent surge in food prices at the end of 2010. This article provides a critical review of the literature that examines the different methods in assessing and estimating the impact of food price variability and volatility on household poverty. More precisely, the complexity of relationships between food price variation and poverty will be first examined. The second part addresses a range of methodologies and problems in measurement of food price variability's impacts. The last part links volatility to vulnerability's concept and investigates how measure consequences of a relative high food prices volatility.
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