1. PhD supervision in the fields of efficiency and productivity analysis and energy: supervisor for 3 research students in School of Business and Economics and 2 research students in School of Civil and Building Engineering
2. Module contributor
   CVP317: Energy: Society, Economics, and Policy for MRES 

Research Interests:

(1) Efficiency and productivity analysis using stochastic frontier econometrics and mathematical programming,
(2) the theory of regulation in industrial organization
(3) the theory and practice of energy economics.

Member of the Centre for Productivity and Performance, School of Business and Economics, 含羞草视频 Associate Editor Journal of Productivity Analysis 

Key Publications:

‘Ownership Structure, Institutional Organisation, and Measured X-Efficiency’, American Economic Review, Papers & Proceedings, vol 82, 2, May, pp. 439-46, 1992, (co-author K. Button)

‘X-Efficiency and Technical Efficiency’, Public Choice, 80: pp.83-104, 1994, (co-author K. Button)

‘Allocative & Technical Efficiency in UK Building Societies: a comparison of nonparametric and stochastic frontier approaches’, The Manchester School, LXIV, 1, March, pp 22-37, 1996, (co-author L. Drake)

‘The Behaviour of the Firm under Alternative Regulatory Constraints’, Scottish  Journal of Political Economy, May, 45 (2) May, 133-57, 1998, (co-authors: P. Burns and R. Turvey)

‘Relative National Efficiency and Country Size: evidence for developing countries’, Review of Development Economics, 7(1), 1-14, 2003, (co-author: C. Milner)

‘Determining the contribution of technical, efficiency and scale change to productivity growth in the privatized English and Welsh water and sewerage industry: 1985-2000’, Journal of Productivity Analysis, 28, 127-39, 2007, (co-authors: D. Saal and D. Parker)