People who are unable to maintain the same standard of living as others around them experience a sense of relative deprivation that has been shown to reduce feelings of well-being. Relative deprivation reflects conditions of worsening relative poverty despite striking reductions in absolute...

A considerable part of the poverty that is measured in a single period is transitory rather than persistent. In most countries, only a portion of people who are currently poor are persistently poor. People who are persistently poor or who cycle into and out of poverty should be the main focus of...

A strong association between incomes across generations - with children from poor families likely to be poor as adults - is frequently considered an indicator of insufficient equality of opportunity. Studies of such "intergenerational persistence," or lack of intergenerational mobility, are...