Economists have long recognized that a household's well-being depends not just on its average income or expenditure, but also on the risks it faces. Hence vulnerability is a more satisfactory measure of (inadequate) welfare than poverty. We measure vulnerability as expected poverty and establish...

1. Overview : handbook on food demand, supply, sustainability and security / Raghbendra Jha, Raghav Gaiha and Anil Deolalikar -- 2. The political economy of food security : a behavioral perspective / C. Peter Timmer -- 3. Shocks to the system : monitoring food security in a volatile world /...