Department Environmental Social Sciences

Environmental Economics (EnvEco)

The research group in Environmental Economics (EnvEco) studies the interactions between economic activities and the water environment by applying various economic methods and tools, such as cost-benefit analysis and hydro-economic models. The cluster uses economic principles and approaches with the aim of supporting the sustainable management of water resources. The main research focus of the group is on the economic modeling and valuation of ecosystem services provided by water resources, the assessment of the social welfare changes associated with water use and allocation, both in terms of quantity and quality, and payments for water services. 

The work of EnvEco relies strongly on interdisciplinary research. The group collaborates closely with scientists from different disciplines at Eawag, including urban water engineers, ecologists, ecotoxicologists, and other natural scientists.


Dr. Ivana Logar Group Leader, Cluster: EnvEco Tel. +41 58 765 5504 Send Mail

Current research projects

The research project focuses on watershed management in Swiss mountain areas, aiming at increasing the resilience of mountain ecosystems and meeting societal needs regarding natural resource use and protection.
The project investigates the public risk perception of micro- and nanoplastic pollution in Swiss water bodies based on a survey and a discrete-choice experiment.
The main aim of the project is to investigate the private provision of global public goods - carbon-neutral products and services - in the context of combating climate change

Completed research projects

A principal objective of the project is to develop a novel theoretical framework that would explain the sources of preference uncertainty in stated choice experiments.
This project aims at providing a better insight into the public preferences of the Swiss population for the suggested hydropower expansion.
This project aims at closing the knowledge gap on monetary benefits of river rehabilitation by assessing the economic values of improvements in river ecosystem services resulting from river rehabilitation.
The main objective of this research is to conduct a cost-benefit analysis of water quality improvement through upgrading of wastewater treatment plants in Switzerland.
The main objective is to conduct a cost-effectiveness analysis of a number of different measures for reducing chemical water pollution in the Mönchaltorfer Aa river basin in the Canton of Zurich.
The goal of this research is to assess the value of different environmental amenities, as well as structural house and neighbourhood characteristics.
The project responds to current research gaps on the integration of forest, eco-hydrology and economic sciences to improve decision-making process.
The main objective of this project is to show how economic values of different ecosystem services provided by water resources are spatially distributed across Switzerland.


Dr. Ivana Logar Group Leader, Cluster: EnvEco Tel. +41 58 765 5504 Send Mail
Begüm Özdemir Oluk Doctoral Candidate, Cluster: EnvEco Tel. +41 58 765 6445 Send Mail
Julie Dölker Doctoral Candidate, Cluster: EnvEco Tel. +41 58 765 6414 Send Mail
Former collaborators
Former collaborators
  • Diana van Dijk (postdoctoral researcher)
  • Paola Ovando (postdoctoral researcher)
  • Matteo Mattmann (PhD student)
  • Markus Glatt (PhD student)



Faragò, M., Damgaard, A., Logar, I., & Rygaard, M. (2022). Life cycle assessment and cost-benefit analysis of technologies in water resource recovery facilities: the case of sludge pyrolysis. Environmental Science and Technology, 56(24), 17988-17997. doi:10.1021/acs.est.2c06083, Institutional Repository
Moor, H., Gossner, M. M., Graham, C., Hobi, M. L., Logar, I., Narwani, A., … Altermatt, F. (2022). Besserer Biodiversitätsschutz in Blau-Grünen Ökosystemen. Des écosystèmes bleus-verts pour mieux protéger la biodiversité. Nature et Paysage. Natur und Landschaft: Inside (1), 25-29. , Institutional Repository
Moor, H., Gossner, M. M., Graham, C., Hobi, M. L., Logar, I., Matthews, B., … Altermatt, F. (2022). Blau-grüne Biodiversität ist ein wichtiger Teil des Waldes. Wald und Holz, 103(4), 30-33. , Institutional Repository
Pastor, A. V., Tzoraki, O., Bruno, D., Kaletová, T., Mendoza-Lera, C., Alamanos, A., … Jorda-Capdevila, D. (2022). Rethinking ecosystem service indicators for their application to intermittent rivers. Ecological Indicators, 137, 108693 (17 pp.). doi:10.1016/j.ecolind.2022.108693, Institutional Repository
Späti, K., Huber, R., Logar, I., & Finger, R. (2022). Data on the stated adoption decisions of Swiss farmers for variable rate nitrogen fertilization technologies. Data in Brief, 41, 107979 (8 pp.). doi:10.1016/j.dib.2022.107979, Institutional Repository
Späti, K., Huber, R., Logar, I., & Finger, R. (2022). Incentivizing the adoption of precision agricultural technologies in small‐scaled farming systems: a choice experiment approach. Journal of the Agricultural and Applied Economics Association, 1(3), 236-253. doi:10.1002/jaa2.22, Institutional Repository


Jorda-Capdevila, D., Iniesta-Arandia, I., Quintas-Soriano, C., Basdeki, A., Calleja, E. J., DeGirolamo, A. M., … Padło, T. (2021). Disentangling the complexity of socio-cultural values of temporary rivers. Ecosystems and People, 17(1), 235-247. doi:10.1080/26395916.2021.1912186, Institutional Repository
Kaletova, T., Rodriguez-Lozano, P., Berger, E., Filipa Filipe, A., Logar, I., Alves, M. H., … Jorda-Capdevila, D. (2021). Considering temporal flow variability of non-perennial rivers in assessing ecosystem service provision. Ecosystem Services, 52, 101368 (6 pp.). doi:10.1016/j.ecoser.2021.101368, Institutional Repository
Moor, H., Gossner, M. M., Graham, C., Hobi, M. L., Holderegger, R., Reber, U., … Shipley, R. (2021). Biodiversitätsschutz dank Ökosystem-übergreifendem Denken. Forschungsinitiative Blau-Grüne Biodiversität (BGB). Aqua & Gas, 101(12), 44-49. , Institutional Repository


Logar, I., Brouwer, R., & Campbell, D. (2020). Does attribute order influence attribute-information processing in discrete choice experiments?. Resource and Energy Economics, 60, 101164 (21 pp.). doi:10.1016/j.reseneeco.2020.101164, Institutional Repository


Logar, I.; Brouwer, R.; Paillex, A. (2019) Do the societal benefits of river restoration outweigh their costs? A cost-benefit analysis, Journal of Environmental Management, 232, 1075-1085, doi:10.1016/j.jenvman.2018.11.098, Institutional Repository
Mattmann, M.; Logar, I.; Brouwer, R. (2019) Choice certainty, consistency, and monotonicity in discrete choice experiments, Journal of Environmental Economics and Policy, 8(2), 109-127, doi:10.1080/21606544.2018.1515118, Institutional Repository
Ovando, P.; Brouwer, R. (2019) A review of economic approaches modeling the complex interactions between forest management and watershed services, Forest Policy and Economics, 100, 164-176, doi:10.1016/j.forpol.2018.12.007, Institutional Repository
Glatt, M.; Brouwer, R.; Logar, I. (2019) Combining risk attitudes in a lottery game and flood risk protection decisions in a discrete choice experiment, Environmental and Resource Economics, 74(4), 1533-1562, doi:10.1007/s10640-019-00379-y, Institutional Repository
  • Amjath-Babua, T.S., Sharmab, B., Brouwer, R., Rasulb, G., Wahide, S.M., Neupaneb, N., Bhattaraif, U. and Sieber, S. (2019). Integrated modelling of the impacts of hydropower projects on the waterfood-energy nexus in a transboundary Himalayan river basin. Applied Energy, 239: 494-503.


Logar, I.; Brouwer, R. (2018) Substitution effects and spatial preference heterogeneity in single- and multiple-site choice experiments, Land Economics, 94(2), 302-322, doi:10.3368/le.94.2.302, Institutional Repository
Schuwirth, N.; Honti, M.; Logar, I.; Stamm, C. (2018) Multi-criteria decision analysis for integrated water quality assessment and management support, Water Research X, 1, 100010 (11 pp.), doi:10.1016/j.wroa.2018.100010, Institutional Repository


Logar, I.; Brouwer, R. (2017) The effect of risk communication on choice behavior, welfare estimates and choice certainty, Water Resources and Economics, 18, 34-50, doi:10.1016/j.wre.2016.11.004, Institutional Repository
Brouwer, R.; Logar, I.; Sheremet, O. (2017) Choice consistency and preference stability in test-retests of discrete choice experiment and open-ended willingness to pay elicitation formats, Environmental and Resource Economics, 68(3), 729-751, doi:10.1007/s10640-016-0045-z, Institutional Repository
Ovando, P.; Caparrós, A.; Diaz-Balteiro, L.; Pasalodos, M.; Beguería, S.; Oviedo, J. L.; Montero, G.; Campos, P. (2017) Spatial valuation of forests’ environmental assets: an application to Andalusian silvopastoral farms, Land Economics, 93(1), 87-108, doi:10.3368/le.93.1.87, Institutional Repository
Tilley, E.; Logar, I.; Günther, I. (2017) The effect of giving respondents time to think in a choice experiment: a conditional cash transfer programme in South Africa, Environment and Development Economics, 22(2), 202-227, doi:10.1017/S1355770X16000280, Institutional Repository
van Dijk, D.; Hendrix, E. M. T.; Haijema, R.; Groeneveld, R. A.; van Ierland, E. C. (2017) An Adjustment Restriction on fish Quota: resource rents, overcapacity and recovery of fish stock, Environmental and Resource Economics, 67(2), 203-230, doi:10.1007/s10640-015-9983-0, Institutional Repository
Campos, P.; Caparrós, A.; Cerdá, E.; Díaz-Balteiro, L.; Herruzo, A. C.; Huntsinger, L.; Martín-Barroso, D.; Martínez-Jauregui, M.; Ovando, P.; Oviedo, J. L.; Pasalodos-Tato, M.; Romero, C.; Soliño, M.; Standiford, R. B. (2017) Multifunctional natural forest silviculture economics revised: challenges in meeting landowners’ and society's wants: a review, Forest Systems, 26(2), eR01S (15 pp.), doi:10.5424/fs/2017262-10505, Institutional Repository


Mattmann, M.; Logar, I.; Brouwer, R. (2016) Hydropower externalities: a meta-analysis, Energy Economics, 57, 66-77, doi:10.1016/j.eneco.2016.04.016, Institutional Repository
van Dijk, D.; Siber, R.; Brouwer, R.; Logar, I.; Sanadgol, D. (2016) Valuing water resources in Switzerland using a hedonic price model, Water Resources Research, 52(5), 3510-3526, doi:10.1002/2015WR017534, Institutional Repository
Mattmann, M.; Logar, I.; Brouwer, R. (2016) Wind power externalities: a meta-analysis, Ecological Economics, 127, 23-36, doi:10.1016/j.ecolecon.2016.04.005, Institutional Repository
Van Dijk, D.; Hendrix, E. M. T. (2016) Pipe replacement in a water supply network: coordinated versus uncoordinated replacement and budget effects, Informatica, 27(2), 387-403, doi:10.15388/Informatica.2016.91, Institutional Repository
Brouwer, R.; Brouwer, S.; Eleveld, M. A.; Verbraak, M.; Wagtendonk, A. J.; van der Woerd, H. J. (2016) Public willingness to pay for alternative management regimes of remote marine protected areas in the North Sea, Marine Policy, 68, 195-204, doi:10.1016/j.marpol.2016.03.001, Institutional Repository
Tesfaye, A.; Brouwer, R. (2016) Exploring the scope for transboundary collaboration in the Blue Nile river basin: downstream willingness to pay for upstream land use changes to improve irrigation water supply, Environment and Development Economics, 21(2), 180-204, doi:10.1017/S1355770X15000182, Institutional Repository


Brouwer, R.; Job, F. C.; van der Kroon, B.; Johnston, R. (2015) Comparing willingness to pay for improved drinking-water quality using stated preference methods in rural and urban Kenya, Applied Health Economics and Health Policy, 13(1), 81-94, doi:10.1007/s40258-014-0137-2, Institutional Repository
Gsottbauer, E.; Logar, I.; van den Bergh, J. (2015) Towards a fair, constructive and consistent criticism of all valuation languages: comment on Kallis et al. (2013), Ecological Economics, 112, 164-169, doi:10.1016/j.ecolecon.2014.12.014, Institutional Repository
Brouwer, R.; Martin-Ortega, J.; Dekker, T.; Sardonini, L.; Andreu, J.; Kontogianni, A.; Skourtos, M.; Raggi, M.; Viaggi, D.; Pulido-Velazquez, M.; Rolfe, J.; Windle, J. (2015) Improving value transfer through socio-economic adjustments in a multicountry choice experiment of water conservation alternatives, Australian Journal of Agricultural and Resource Economics, 59(3), 458-478, doi:10.1111/1467-8489.12099, Institutional Repository
Kahsay, T. N.; Kuik, O.; Brouwer, R.; van der Zaag, P. (2015) Estimation of the transboundary economic impacts of the Grand Ethiopia Renaissance Dam: a computable general equilibrium analysis, Water Resources and Economics, 10, 14-30, doi:10.1016/j.wre.2015.02.003, Institutional Repository
Klinglmair, A.; Bliem, M. G.; Brouwer, R. (2015) Exploring the public value of increased hydropower use: a choice experiment study for Austria, Journal of Environmental Economics and Policy, 4(3), 315-336, doi:10.1080/21606544.2015.1018956, Institutional Repository
Vermaat, J. E.; Wagtendonk, A. J.; Brouwer, R.; Sheremet, O.; Ansink, E.; Brockhoff, T.; Plug, M.; Hellsten, S.; Aroviita, J.; Tylec, L.; Giełczewski, M.; Kohut, L.; Brabec, K.; Haverkamp, J.; Poppe, M.; Böck, K.; Coerssen, M.; Segersten, J.; Hering, D. (2015) Assessing the societal benefits of river restoration using the ecosystem services approach, Hydrobiologia, 769(1), 121-135, doi:10.1007/s10750-015-2482-z, Institutional Repository


Logar, I.; Brouwer, R.; Maurer, M.; Ort, C. (2014) Cost-benefit analysis of the Swiss national policy on reducing micropollutants in treated wastewater, Environmental Science and Technology, 48(21), 12500-12508, doi:10.1021/es502338j, Institutional Repository
Logar, I.; van den Bergh, J. C. J. M. (2014) Economic valuation of preventing beach erosion: comparing existing and non-existing beach markets with stated and revealed preferences, Journal of Environmental Economics and Policy, 3(1), 46-66, doi:10.1080/21606544.2013.863742, Institutional Repository
Brouwer, R.; Tinh, B. D.; Tuan, T. H.; Magnussen, K.; Navrud, S. (2014) Modeling demand for catastrophic flood risk insurance in coastal zones in Vietnam using choice experiments, Environment and Development Economics, 19(2), 228-249, doi:10.1017/S1355770X13000405, Institutional Repository
Khan, N. I.; Brouwer, R.; Yang, H. (2014) Household's willingness to pay for arsenic safe drinking water in Bangladesh, Journal of Environmental Management, 143, 151-161, doi:10.1016/j.jenvman.2014.04.018, Institutional Repository
Alcon, F.; Tapsuwand, S.; Brouwer, R.; de Miguel, M. D., (2014) Adoption of irrigation water policies to guarantee water supply: a choice experiment, Environmental Science and Policy, 44, 226-236, doi:10.1016/j.envsci.2014.08.012, Institutional Repository
van Dijk, D.; Hendrix, E. M. T.; Haijema, R.; Groeneveld, R. A.; van Ierland, E. C. (2014) On solving a bi-level stochastic dynamic programming model for analyzing fisheries policies: fishermen behavior and optimal fish quota, Ecological Modelling, 272, 68-75, doi:10.1016/j.ecolmodel.2013.09.015, Institutional Repository


Logar, I.; van den Bergh, J. C. J. M. (2013) Methods to assess costs of drought damages and policies for drought mitigation and adaptation: review and recommendations, Water Resources Management, 27(6), 1707-1720, doi:10.1007/s11269-012-0119-9, Institutional Repository
Meyer, V.; Schwarze, R.; Becker, N.; Markantonis, V.; van den Bergh, J. C. J. M.; Bouwer, L. M.; Bubeck, P.; Ciavola, P.; Genovese, E.; Green, C.; Hallegatte, S.; Kreibich, H.; Lequeux, Q.; Logar, I.; Papyrakis, E.; Pfurtscheller, C.; Poussin, J.; Przyluski, V.; Thieken, A. H.; Viavattene, C. (2015) Assessing the costs of natural hazards - state of the art and the way forward, In: Quevauviller, P. (Eds.), Hydrometeorological hazards. Interfacing science and policy, 255-290, doi:10.1002/9781118629567.ch4a, Institutional Repository