• Coastal area with or without wind turbines: a contingent valuation study in EstoniaEhrlich, Üllas; Müürsepp, MargotMathematical Modelling and Simulation in Applied Sciences : proceedings of the 3rd International Conference on Energy, Environment, Devices, Systems, Communications, Computers (INEEE'12) : Rovaniemi, Finland, April 18-20, 20122012 / p. 179-183 : ill
• Conflicting interest in the production of wind energy : public demand for shores without wind turbines [Electronic resource]Müürsepp, Margot; Ehrlich, ÜllasEesti majanduspoliitilised väitlused (artiklid) = Estnische Gespräche über Wirtschaftspolitik (Beiträge) = Discussions on Estonian economic policy (articles). 22012 / p. 126-143 : ill [CD-ROM] https://artiklid.elnet.ee/record=b2549274*est
• Contingent valuation as a tool for environmental economic accounting : case of EstoniaEhrlich, ÜllasEstonian Discussions on Economic Policy2021 / p. 56−70 https://doi.org/10.2139/ssrn.3970916 https://doi.org/10.15157/tpep.v29i1-2.18342 https://www.scopus.com/sourceid/21101042951 https://www.scopus.com/record/display.uri?eid=2-s2.0-85128981306&origin=inward&txGid=608ef2279f08c97d5af8820481c22cbe
• Dilemma in Estonian renewable energy policy : do state subsidies meet public preferences?Ehrlich, Üllas; Roodi, MargotInternational journal of energy2013 / p. 59-65
• Non-market value of Estonian seminatural grasslands : a contingent valuation study [Electronic resource]Lepasaar, Helli; Ehrlich, ÜllasDevelopments and restructuring = Entwicklungen und Umstrukturierung = Arengud ja ümberstruktureerimine2015 / p. 1-16 : ill. [CD-ROM] http://dx.doi.org/10.2139/ssrn.2708778
• Non-use value of the natterjack toad (Bufo calamita) in Estonia : a contingent valuation studyReimann, Mart; Ehrlich, Üllas; Pädam, Sirje-IlonaRecent Researches in Chemistry, Biology, Environment and Culture : [proceedings of COMPUCHEM'11, BIO'11, EED'11, ICBB'11, ICAC'11] : Montreux, Switzerland, December 29-31, 20112011 / p. 202-206 : ill
• Public demand for shores in natural condition : a contingent valuation study in EstoniaReimann, Mart; Ehrlich, Üllas; Tõnisson, HannesInternational journal of geology2012 / p. 36-43 : ill
• Renewable electricity in Estonia - discrepancy between state subsidies and private demandRoodi, Margot; Ehrlich, ÜllasRecent advances in energy and environmental management : [proceedings of the EE'13, GES'13, EMC'13, URES'13 : Rhodes Island, Greece, July 16-19, 2013]2013 / p. 66-71 : ill
• A study of people’s preferences of the environmental status of Lake Harku and the benefits offered by the lake and its surroundingNõmmann, Tea; Ehrlich, Üllas; Pädam, Sirje-IlonaEstonian discussions on economic policy: theory and practice of economic policy = Eesti majanduspoliitilised väitlused: majanduspoliitika teooria ja praktika = Estnische Gespräche über Wirtschaftspolitik: Theorie und Praxis der Wirtschaftspolitik [Võrguteavik]2020 / p. 85-101 https://ojs.utlib.ee/index.php/TPEP/article/view/16803 https://www.scopus.com/sourceid/21101042951 https://www.scopus.com/record/display.uri?eid=2-s2.0-85104464147&origin=inward&txGid=40f6fca2f3dbe26bc7c08b82596ebe1f
• The foregone recreation value of Lake Ülemiste [Electronic resource]Pädam, Sirje-Ilona; Ehrlich, ÜllasEesti majanduspoliitilised väitlused : majanduspoliitika teooria ja praktika. 12011 / p. 135-148 : ill. [CD-ROM]
• Tourism versus real estate development : a contingent valuation study of Estonian coastReimann, Mart; Ehrlich, Üllas; Tõnisson, HannesRecent Researches in Tourism and Economic Development : Proceedings of the 1st International Conference on Tourism and Economic Development (TED '11), University Center Drobeta Turnu Severin, Romania, October 27-29, 20112011 / p. 240-245
• Valuation of ecosystem non-market services : recreational service in EstoniaEhrlich, ÜllasEstonian Discussions on Economic Policy2023 / p. 95-113 : ill https://doi.org/10.15157/tpep.v31i1-2.23581 https://www.scopus.com/sourceid/21101042951 https://www.scopus.com/record/display.uri?eid=2-s2.0-85183180997&origin=inward&txGid=6de1d0056b8cd78cb764344b6c7e986d