2017

1. Introduction

   New Directions in Productivity Measurement and Efficiency Analysis: Counting the Environment and Natural Resources (Edward Elgar Publishing Ltd.), pp. 1-8

2. New directions in productivity measurement and efficiency analysis: Counting the environment and natural resources

   Edward Elgar Publishing Ltd., pp. 1-282

3. The role of multinationals in providing water services-are they more efficient?

   Charting the Water Regulatory Future: Issues, Challenges and Directions (Edward Elgar Publishing Ltd.), pp. 321-342