An annual conference paper written with Jeremy Warford, selected by the JOURNAL, The World Bank April 1979
Urban Waste as an Economic Good
Chapter in Sanitation in Developing Countries, edited by Arnold Pacey, published by John Wiley & Sons (now Wiley), 1978
Intermediate Service Levels in Sanitation Systems
Reprinted from Appropriate Technology in Water Supply and Waste Disposal, American Society of Civil Engineers (ASCE), October 1978, with John M Kalbermatten
The Multiple Objectives of Water Rate Policy in Less Developed Countries
Article written with J J Warford in Water Supply & Management, Vol 1, published by Pergamon Press, 1977
Water Rates in Developing Countries
Part of International Bank for Reconstruction and Development’s International Development Association Energy, Water and Telecommunications Department Public Utilities Notes, March 1977, with J J Warford
Economic Evaluation and Financing of Sewerage Projects
Part of International Bank for Reconstruction and Development’s International Development Association Energy, Water and Telecommunications Department Public Guidelines Series, 18th February 1977, with J J Warford