A Data Envelopment Analysis model for the joint determinations of efficiencies with variable returns to scale is developed. The model is applied to the study of the performace of individual specialities of National Health Services (NHS) trust in UK.

Drawing on models of person-organization (P-O) fit, this study examines the role of personality characteristics (neuroticism, extraversion, Type A and social desirability) on the experience of fit and the prediction of positive affective outcomes, and tests the mediational relationships proposed...