Objectives: The purpose of this study was to develop and validate an algorithm that predicts EQ-5D utility from the St. George's Respiratory Questionnaire (SGRQ) in subjects with chronic obstructive pulmonary disease and to examine the effect of using this algorithm in predicting...

TORCH was a 3 year multi-centre trial of 6112 patients randomized to: salmeterol (SAL), fluticasone propionate (FP), the FP+SAL combination (SFC), or placebo (PL). Here we assess the cost-effectiveness of treatments evaluated in the TORCH study. Three year all-cause hospitalization, medication,...

Rational choice analysis of collective action predicts that individual members of a large group will not contribute voluntarily towards a common cause; members of large groups attribute no significance to individual action. Large groups are mobilised by the attraction of private goods and...

The purpose of this paper is to investigate whether the effectiveness of aid has increased over time, in the light of the contention by Boone (199,. 1996), Dollar and Burnside (1997) and the World Bank (1998) on the issue of the extent to which the impact of aid on investment and growth is...