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I am an environmental and resource economist working as an Associate Professor in the Economics Department at Portland State University. I direct the Graduate Certificate in Sustainability and am the Faculty Director of the Institute for Sustainable Solutions at Portland State University. I also hold a "by courtesy" Research Consultant position at IUCN-Sri Lanka.
My main research is focused on studying the intersection of land use, ecosystem services, conservation, and climate change. I use choice experiment surveys to analyse public preferences for ecosystem services and environmental policy, and dynamic and spatial resource allocation models to study optimal land use.
My research applications focus on
- grasslands in Illinois
- riparian ecosystem services in Oregon
- REDD+ payments in Nepal and Ethiopia
- coral reefs in Okinawa, Japan
- improved stove adoption in Ethiopia
- conservation within military installations
- land conservation given climate change
- ancient irrigation systems in Sri Lanka
In addition, I am also currently working on
- economic impacts of fracking
- preferences for sustainable seafood labels
- spatially explicit subsidies for renewable energy generation
- general equiblirium models of environmental taxation
- dynamic models of economic systems using Stella
- optimal school districting using integer programming methods
Recent Publications
Blackman A., Dissanayake S. T. M., Martinez Cruz A. (2023) The benefits of titling indigenous communities in the Peruvian Amazon: A stated preference approach. Land Economics. Forthcoming.
Albers, H. J., C. H. Chang, S. T. M. Dissanayake, K. J. Helmstedt, K. Kroetz, B. Dilkina, I. Zapata?Mor´an, C. Nolte, L. M. Ochoa?Ochoa, and G. Spencer. (2023). Anticipating anthropogenic threats in acquiring new protected areas. Conservation Biology. Forthcoming.
Dissanayake S. T. M., Vidanage S. (2023). Valuing ecosystem services from restoring ancient irrigation systems: An application comparing labor vs. monetary payments for choice experiments. Agricultural and Resource Economics Review. 52(2), 422-449.
Netusil, N. R., Dissanayake, S. T. M., Lavelle, L., Ando, A. W. & Wells (2023). Does presentation matter? An analysis of images and text in a choice experiment of green roofs. Q Open 3 (1).
Butler, E. P., Bliss-Ketchum, L. L., de Rivera, C. E., Dissanayake, S., Hardy, C. L., Horn, D. A., ... & Wallace, H. (2022). Habitat, geophysical, and eco-social connectivity: benefits of resilient socio-ecological landscapes. Landscape Ecology, 37(1), 1-29.
D. LaFave, A. D. Beyene, R. Bluffstone, S. T. M. Dissanayake, Z. Gebreegziabher, A. Mekonnen, M. Toman. (2021) Impacts of Improved Biomass Cookstoves on Child and Adult Health: Experimental Evidence from Rural Ethiopia. World Development. V-140, 105332
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