Basing insurance prices on the results of an imperfect screening test to identify risk types can reduce or increase aggregate discrimination across insureds. We present a powerful and general new framework of analysis to examine this issue, rawing upon recent work which uses decomposable...

In measuring inequality of a bounded variable such as health status, one can focus on attainments or shortfalls. However, rankings of social states by attainment and shortfall inequality do not necessarily mirror one another. We propose a requirement, that attainment inequality and shortfall...

The unexpectedly high outturn of tax revenues in the UK in recent years has permitted drastic revision of borrowing and taxing plans. Such unexpectedly high outturns may result from either: ii) An unexpectedly fast growth in one or more of the tax bases or ii) An underestimation of the response...

Members of staff and D.Phil. students were sent lists of current periodicals titles thought likely to be of interest to them, and given 100 votes to indicate the value they placed on the titles; titles not on the lists could be added. Votes were analysed using the library's computer. Lists of...