The concepts of food deficit, hunger, undernourishment and food security are discussed. Axioms and indices for the assessment of nutrition of individuals and groups are suggested. Furthermore a measure for food aid donor performance is developed and applied to a sample of bilateral and...

Poverty indices are usually calculated on the basis of cross section income data. As an indicator of well-being the results of such analyses have two shortcomings. First, income insecurity and the risk of becoming poor may affect a person's well-being even if ex post her income is above the...

Poverty indices are usually calculated on the basis of (cross section) income data from the past. As past income is fixed and future income is uncertain, such measurement does not reflect the ex ante risk of falling into poverty. This paper presents refinements of commonly used poverty measures...