Department of Agricultural and Environmental Sciences
College of Agriculture, Human and Natural Sciences
202P Farrell Westbrook
Agriculture, natural resource and energy economics
Publications in Referred Journals:
Bansal, A., Illukpitiya, P., Singh, S.P and Tegegne, F. 2013. Economic competitiveness of ethanol production from cellulosic feedstock in Tennessee. Renewable Energy (59): 53-57.
Illukpitiya, P., Yanagida, J.F. and Ogoshi, R and Uehara, G. 2013. Sugar-ethanol-electricity co-generation in Hawaii: An application of Linear Programming (LP) for optimizing strategies. Biomass and Bioenergy, 48: 203-212.
Singh, S.P, Illukpitiya, P and Comer, S. 2013. Human capital development for the evolving 21st century bio-based economy in USA: Assessing needs for education, skills and capabilities by agribusiness enterprises. International Journal of Marketing, Financial Services & Management Research (forthcoming, June issue).
Illukpitiya, P., Gopalakrishnan, C and Ratnayake, RMMB. 2012. Economic competitiveness of biofuel Production from underutilized ethanol feedstock. Journal of Natural Resources and Policy 4 (2): 91-102.
Tran, N., Illukpitiya, P., Yanagida, J.F. and Ogoshi, R. 2011. Optimizing biofuel production: an economic analysis for selected biofuel feedstock production in Hawaii. Biomass and Bioenergy, 35: 1756-1764.
Illukpitiya, P and Yanagida, J.F. 2010. Farming vs. Forests: Trade-off between agriculture and extraction of non-timber forest products Ecological Economics, 69(10), 1952-63.
Illukpitiya, P and Yanagida, J.F. 2008. Role of income diversification in protecting natural forests: evidence from rural households in forest margins. Agroforestry Systems, 74(1), 51-62.
Gopalakrishnan, C., Wickramasinghe, W.A.R., Gunatilake, H.M and Illukpitiya, P. 2005. Estimation of demand for non-timber forest products among rural communities: A case study in Sinharaja rain forest region. Agroforestry Systems 65 (1), 13-22.
Illukpitiya, P and Yanagida, J.F. 2004. Improving agricultural production through technical efficiency: A case study of smallholder paddy farming. Tropical Agriculture, 81 (2), 114-120.
Illukpitiya, P and Gopalakrishnan, C. 2004. Decision making in soil conservation: application of a behavioral model to potato farmers. Journal Land Use Policy, 21 (4), 321-331.
Illukpitiya, P., Shanmugaratnam, N. and Kjosavic, J.D. 2004. Tea agro-ecosystems in the Uva highlands of Sri Lanka. An evaluation of land management activities. Journal of Mountain Research and Development, 24 (1), 52-59.
Ogoshi, R., Turano, B., Uehara, G., Yanagida, J.F., Illukpitiya, P., Brewbaker, J. and Carpenter, J. 2010. Evaluation of Cellulosic feedstock for biofuel production (Ch. 7). Khanal, S.K. et al. (Eds.), Biofuel and bioenergy from biowastes and biomass, American Society of Civil Engineers. Reston, VA.
Singh, S.P and Illukpitiya, P. 2013. Food supply chains and emergence of organized retailing. A case of Indian food industry. Program Abstracts, 1890 Research: Sowing Seeds of change for the Global Community, April 7-10. Jacksonville, Florida.
Bansal,A., Illukpitiya, P., Singh, S.P and Tegegne, F. 2013. Economic Competitiveness of ethanol production from Switchgrass and Miscanthus in Mid-South Region. Poster presented at the Annual University Wide Research Symposium, Tennessee State University, April, 2013 (3rd Place Award for Science Category).
Bansal,A., Illukpitiya, P., Singh, S.P and Tegegne, F. 2012. Economic Competitiveness of ethanol production from cellulosic feedstock in Tennessee. Paper presented at the Sun Grant National Conference, New Orleans. October 3-5, 2012
Illukpitiya, P. Samonte, S.O.P.B and Wilson, L.T. 2009. Aerobic rice: Production inputs and breeding selection criteria. Texas Rice Vol. IX (6). Texas AgriLife Research.
Illukpitiya, P, Gunaratne, LHP and Ratnayake, RMMB. 2009. Evaluating economic potential and feasibility of producing bio-energy from underutilized crops. Technical Report. Environmental Economics Program for Southeast Asia (EEPSEA), Singapore.
Yanagida, J.F. Illukpitiya, P. and Tran, N. 2008. Statewide multi-fuel biofuels production assessment: crop assessment- Task B. College of Tropical Agriculture and Human Resources, University of Hawai'i at Manoa.
Ogoshi, R., Yanagida, J.F., Turn, S., Illukpitiya, P., Uehara, G., Brewbaker, J., Carpenter, J. and Kinoshita, C. 2008. Biofuel and Crop Assessment. College of Tropical Agriculture and Human Resources, University of Hawai'i at Manoa.
He, S.J., Yuan, S., Illukpitiya, P., and Yuen, S. 2007. Economic well-being in Hawaii: Family and individual self-sufficiency. AUW report. Honolulu, Hawaii: University of Hawaii at Manoa, Center on the Family.
He, S.J., Yuan, S., Illukpitiya, P., and Yuen, S. 2007. Technical notes for economic well-being in Hawaii: Family and individual self-sufficiency. AUW report. Honolulu, Hawaii: University of Hawaii at Manoa, Center on the Family.
Friday, J.B., Yanagida, J.F., Illukpitiya, P., Mamiit, R.J and Edwards, Q. 2006. Characteristics of Hawaii's Retail Forest Industry in 2001. Economic issues, EI 6. Feb. 2006 (published by the Cooperative Extension Service, College of Tropical Agriculture and Human Resources, University of Hawai'i at Manoa).
Illukpitiya, P. 2005. Farming vs. forest dependency: an investigation from Sri Lanka. EEPSEA policy brief No. 2005-PB 9. Environmental Economics Program for Southeast Asia (EEPSEA), Singapore.
Yanagida, J.F., Friday, J.B., Illukpitiya, P., Mamiit, R.J and Edwards, Q. 2004. Economic value of Hawaii's forest industry in 2001. Economic issues, EI 7. Dec. 2004 (published by the Cooperative Extension Service, College of Tropical Agriculture and Human Resources, University of Hawai'i at Manoa).
Academic Services & Awards
Reviewer –Ecological Economics, Land Use Policy, Bioresource Technology
Visiting Researcher: Dalian Nationalities University, China
Distinguished Service Award, East West Center, Hawaii (2002).
AGSC 2020: Introduction to Agribusiness Management
AGSC 4020 Agribusiness Analysis
AGSC 5080: Agribusiness Management and Market Analysis
PhD (Agricultural and Resource Economics), University of Hawai'i at Manoa
MS (Natural Resource Management), Norwegian University of Life Sciences
BS (Agriculture), University of Peradeniya, Sri Lanka
Date Joined staff: 2011
Agricultural andEnviromental Sciences