Our new approach to mobility measurement involves separating out the valuation of positions in terms of individual status (using income, social rank, or other criteria) from the issue of movement between positions. The quantification of movement is addressed using a general concept of distance...

We show how classic source-decomposition and subgroup-decomposition methods can be reconciled with regression methodology used in the recent literature. We also highlight some pitfalls that arise from uncritical use of the regression approach. The LIS database is used to compare the approaches...

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...