In this paper, we examine the concept of “vulnerability” within the context of income mobility of the poor. We test for the dynamics of vulnerable households in the UK using waves 1–12 of the British Household Panel Survey and find that, of three different types of risks that we test for,...

Theil's approach to the measurement of inequality is set in the context of subsequent developments over recent decades. It is shown that Theil's initial insight leads naturally to a very general class of decomposable inequality measures. It is thus closely related to a number of other commonly...