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PrefaceIn July 1986 the Feinstein World Hunger Program faculty at Brown University, directed by geographer Robert Kates, began formulating a conceptual framework for analysing hunger and hunger-related policy making. This ''hunger typology'' is based on a three-tiered paradigm of hunger causation and consequences that draws on methods of food production/famine research, entitlement theory, and nutrition/nutritional anthropology. The framework brings together the disparate disciplines of political economics, sociology-anthropology, and public health-human biology, and also policy and organizational research. It integrates their approaches and evidence into a single format that allows all to identify ''who's hungry'' and take steps to prevent and alleviate hunger. The hunger typology distinguishes among situations of food shortage, food poverty, or food deprivation. At a regional or national level, a food shortage may be due to political, climatic, or other socioeconomic forces. Such food-short or famine conditions can be distinguished from food poverty at the household level, in which people go hungry because they lack the resources to acquire food even when the regional food supply is sufficient. Ultimately, even if households have sufficient resources to command and access food, individuals go hungry if distribution rules militate against their getting an adequate share, if cultural rules of consumption prejudice them from consuming an adequate mix of nutrients, or if individuals are ill and unable to ingest, metabolize, or benefit from the nutrients potentially available. This third context, termed food deprivation, includes situations of malnutrition among the so-called vulnerable groups: infants and young children, pregnant an...