Ph.D. (Environmental and Natural Resource Sciences)-2011- Washington State University, Pullman-WA, USA. Dissertation Title "An Economic Analysis of Intersectoral Water Allocation in South-eastern Sri Lanka".
Advisors: Keith Blatner, Jill Mccluskey and C. Richard Shumway.
M.Sc. (Agricultural Economics) - 1997 - University of Peradeniya, Sri Lanka.
B.Sc. (Agric.) (Second Class Upper Division Honours)-1993- University of Peradeniya, Sri Lanka, Specialisation in Agricultural Economics.
Major advisor: Professor T. Jogaratnam.
Coordinator, 12th International Conference on Sri Lanka Studies, Colombo, Sri Lanka, (March 2010)
2005/06 and 2010-13, Member Board of Study in Agricultural Economics; Postgraduate Institute of Agriculture; University of Peradeniya.
April 1997- December 2009, Agricultural Economist, International Water Management Institute. IWMI is an international agricultural research centre (CGIAR) based in Colombo, Sri Lanka
2002-2006, Topic Editor (Socio-economics) for WCA InfoNET: International knowledge Networking Initiative on "Water Conservation and Use in Agriculture". International Program for Technology and Research in Irrigation and Drainage (IPTRID) at FAO (UN).
2004 - 2005, Visiting Fellow, Postgraduate Institute of Agriculture, University of Peradeniya, (full-time academic position under inter-institutional arrangements)
2011/12, Visiting Lecturer, Faculty of Graduate Studies, University of Sri Jayawardenapura, Sri Lanka
2009 and 2011, Visiting Lecturer, University of Kelaniya, Sri Lanka
2003/2004 and 2005, Visiting Lecturer, University of Ruhuna, Sri Lanka
1994/ 1996-97/ 2001, Visiting Lecturer, Wayamba University of Sri Lanka
1998-2002, Member: National Committee of Socio-economists and Policy Analysts. Sri Lanka Council for Agricultural Research Policy
October 1993 - June 1997, Research Assistant/Demonstrator/Instructor, University of Peradeniya, Sri Lanka
Weligamage, S.P. 2011. An Economic Analysis of Intersectoral Water Allocation in Southeastern Sri Lanka. Submitted to Washington State University and Published open source by University UMI-Proquest Dissertation and Theses. 171p. (http://gradworks.umi.com/34/79/3479333.html)
Weligamage, P. W.R. Butcher K.A. Blatner, C. Richard Shumway, and M. Giordano. 2010. Non-user Benefits Emanating from Enhanced Water Flow to the Yala Protected Area Complex. In: Evans, A. and K. Jinapala . Eds. Proceedings of the Sri Lanka National Water Conference. Vol 2, Water Quality, Environment and Climate Change. Colombo: International Water Management Institute. 37-47.
Namara, Regassa E., D. Bossio, P. Weligamage and IndikaHerath. 2008. The practice and effects of the System of Rice Intensification (SRI) in Sri Lanka. Quarterly Journal of International Agriculture, 47(1):5-23.
Namara, Regassa E., Meredith Giordano, PriyanieAmerasinghe,ElineBoelee , ParakramaWeligamage, AnandaWeerasinghe, S.R. Jayanetti, and A.M.G. ManelYapabandara 2008. An Impact Assessment of Malaria Control through Environmental and Irrigation Water Management. Ceylon Journal of Science (Biological Sciences). 37 (1). 107-128.
Weligamage, P. et.al. 2005. Bringing Hambantota Back To Normal: A post-tsunami livelihoods needs assessment of HambantotaDistrict in southern Sri Lanka. 59p.
Kikuchi, M., P. Weligamage, R. Barker, M. Samad, H. Kono and H. M. Somaratne. 2003. Agro-Well and Pump in Irrigation Schemes in the Dry Zone of Sri Lanka: Past Trends, Present Status and Future Prospects. Research Report 66. Colombo: International Water Management Institute.
Namara, Regassa E., P. Weligamage and R. Barker. 2003. The prospects of system of rice intensification adoption in Sri Lanka: a socioeconomic assessment. Research Report 75. International Water Management Institute.
Kikuchi, M., R. Barker, M. Samad and P. Weligamage. 2002. Comparative advantage of rice production in Sri Lanka with special reference to irrigation costs. In. Developments in the Asian rice economy. Proceedings of the International Workshop on Medium- and Long-term Prospects of Rice Supply and Demand in the 21st Century, 3-5 December 2001. Los Bonos, Philippines M. Sombilla, M. Hossain, and B. Hardy. Editors. Los Bonos, (Philippines):
International Rice Research Institute. Pp. 343-368.
Kikuchi, M., R. Barker, M. Samad and P. Weligamage. 2002. Comparative Advantage of Rice Production in an Ex-rice Importing Country: The Case of Sri Lanka. In Acharya S.S, Surjit Singh and VidyaSagar. Eds. Sustainable Agriculture, Poverty and Food Security. Vol I. Rawat Publishers: Jaipur. Pp 356-380.
Kikuchi, M., R. Barker, P. Weligamage and M. Samad. 2002. The Irrigation Sector in Sri Lanka: Recent Investment Trends and the Development Path Ahead. Research Report 62. Colombo: International Water Management Institute.
Weligamage, P. R. Barker, IntizarHussain, UpaliAmarasinghe and M. Samad. 2002. World Irrigation and Water Statistics -2002 (With a Guide to Data Sources). Colombo: International Water Management Institute
Barker, Randolph, M. Samad. ParakramaWeligamage and Masao Kikuchi. 2001. Declining Comparative Advantage In Rice Production: Policy Options Facing Sri Lanka. Economic Review. 27(8&9) 27-30.
Weligamage, P.1998. Nature and Distribution of Major Irrigation Systems in Sri Lanka and Their Potential for Aqua-culture Development. In. Proceedings of the Stakeholder Workshop- Fish in Irrigation Systems Technology Project. University of Stirling and University of Newcastle, pp. 12-40.
Abeygunawardena, P. and P. Weligamage. 1995. "The Future Role of IRDP in the Context of Economic Liberalisation", In. Integrated Rural Development Programme: 15 years Experience in Sri Lanka. Colombo, Sri Lanka. Ministry of Finance, Planning, Ethnic Affairs and National Integration. Pp. 121-134.
Weligamage, P. Ed. 2012. Abstracts of 6th Annual Research Forum -Sri Lanka Agricultural Economics Association. Rio+20 : Its Implications on Sri Lankan Agriculture and Plantation Sectors. 23rd November 2012. Kandy: Sri Lanka: Sri Lanka Agricultural Economics Association. 24p.
Kodithuwakku, Sarath and Parakrama Weligamage. Eds. 2011. Abstracts of 5th Annual Research Forum -Sri Lanka Agricultural Economics Association. Natural Resource Governance and Poverty Reduction: Lessons and Policy Implications. 16th December 2011. Kandy: Sri Lanka: Sri Lanka Agricultural Economics Association. 18p.
Weligamage, P., G.G.A. Godaliyadda and K. Jinapala . Eds. 2010. Proceedings of the Sri Lanka National Water Conference 2009 Vol 1. Irrigation and Water Resources. Colombo: International Water Management Institute. 160p..
Abeyratne, F. and P. Weligamage. Eds. 2010. Abstracts of 4th Annual Research Forum -Sri Lanka Agricultural Economics Association. 17th December 2010. Peradeniya: Sri Lanka: Sri Lanka Agricultural Economics Association. 22p.
Ranaweera, N.F.C, P. Weligamage and S.K.D.F.F Niranjan. Eds. 1999. SAPTA and Its Implications on the Plantation Crop Sector of Sri Lanka.: Proceedings of a Workshop held on 8th March 1999 at Tea Research Institute of Sri Lanka, Talawakele. Colombo: Sri Lanka Council for Agricultural Research Policy.