We provide a critique of the methods that have been used to derive measures ofincome risk and draw attention to the importance of demographic factors as asource of income risk. We also propose new measures of the contribution tototal income risk of demographic and labour market factors....

Asthma is the most common chronic disease of childhood. Recent evidence hasshown a socio-economic gradient in its distribution. This paper examineswhether a number of factors argued to have led to a rise in the incidence ofasthma might also explain the social gradient. Several of these have been...