{"query_echo":{"q":"","filters":{"analysis_type":["discrete choice experiment"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'discrete choice experiment' for facet 'analysis_type' is not in the controlled vocabulary."}]},"total":{"value":3,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?analysis_type=discrete+choice+experiment","stability":"beta","ai_marking":{"digital_source_type":{"uri":"http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia","name":"Created using Generative AI"},"notice":"Summary and key insights are generated using artificial intelligence."},"results":[{"id":"rmi-000604","url":"https://climateinsightsdirectory.org/document/rmi-000604","title":"Unraveling Willingness to Pay for Sustainable Aviation Fuel","publisher":{"name":"RMI","organization":"rmi"},"document_type":"report","language":"en","date_published":"2024-09-17","source_url":"https://rmi.org/resources/unraveling-willingness-to-pay-for-sustainable-aviation-fuel/","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"A survey of 23 companies by RMI and the Mission Possible Partnership reveals that airlines and corporate customers are willing to pay a significant green premium for sustainable aviation fuel (SAF) and SAF certificates (SAFc). Airlines showed an average WTP of $6 per gallon, while corporate buyers averaged $300 per ton of CO2 abated. The study finds a preference for waste-based feedstocks and shorter contract durations. These findings suggest that SAF projects, particularly those using the HEFA pathway, could be bankable today by meeting the financial returns required by investors.","ai_generated":true,"unit":"rmi-000604#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Airlines and logistics service providers expressed an average willingness to pay (WTP) of $6 per gallon for SAF, which is nearly three times the fossil jet fuel price of $2.29 per gallon at the time of writing.","ai_generated":true,"unit":"rmi-000604#insight-1","date_modified":"2026-10-23"},{"text":"Corporate buyers showed an average WTP of $300 per ton of CO2 emissions abated for SAF certificates (SAFc), with values ranging from $298 (industrial companies) to $325 (corporate travel and consulting firms).","ai_generated":true,"unit":"rmi-000604#insight-2","date_modified":"2026-10-23"},{"text":"Buyers prefer SAF produced from waste-based feedstocks, such as tallow, over crop-based alternatives due to concerns regarding food sector competition and sustainability issues like water quality and biodiversity.","ai_generated":true,"unit":"rmi-000604#insight-3","date_modified":"2026-10-23"},{"text":"There is a preference for shorter offtake contracts; longer durations decrease the probability of purchase and lower the WTP, likely because buyers expect SAF costs to drop as the market matures.","ai_generated":true,"unit":"rmi-000604#insight-4","date_modified":"2026-10-23"},{"text":"In the US market, the WTP for SAFc suggests that SAF projects—especially those using the HEFA (Hydroprocessed Esters and Fatty Acids) pathway—can be bankable, potentially providing the 15-20 percent levered equity returns sought by private equity energy transition funds.","ai_generated":true,"unit":"rmi-000604#insight-5","date_modified":"2026-10-23"}],"climate_tags":["Sustainable Aviation Fuel","Scope 3","climate finance","decarbonization"],"geography_discussed":["United States","Los Angeles"],"frame_perspective":[],"analysis_type":["market survey","economic assessment","discrete choice experiment"]},{"id":"sei-000295","url":"https://climateinsightsdirectory.org/document/sei-000295","title":"Economic value of hydropeaking externalities","publisher":{"name":"Stockholm Environment Institute","organization":"stockholm-environment-institute"},"document_type":"research paper","language":"en","date_published":"2024-01-05","source_url":"https://www.sei.org/publications/economic-value-of-hydropeaking-externalities/","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"The research evaluates the trade-offs between reducing hydropeaking to improve river ecology and the potential increase in CO2 emissions. Findings indicate that individuals generally prefer stronger restrictions on short-term regulations to benefit fish stocks, recreational use, and the ecological state, with these benefits outweighing the disutility of increased CO2 emissions. The study emphasizes the need to account for unobserved preference heterogeneity in willingness-to-pay estimations.","ai_generated":true,"unit":"sei-000295#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Most individuals prefer stricter restrictions on short-term regulations to reduce local environmental impacts, placing high value on the ecological state, fish stocks, and recreational use.","ai_generated":true,"unit":"sei-000295#insight-1","date_modified":"2026-10-23"},{"text":"While potential increases in CO2 emissions create a clear disutility, the estimated benefits of improving the river environment through hydropeaking restrictions are greater than this disutility.","ai_generated":true,"unit":"sei-000295#insight-2","date_modified":"2026-10-23"},{"text":"Willingness-to-pay (WTP) estimations should utilize a model specification with correlated utility coefficients to account for unobserved preference heterogeneity among individuals.","ai_generated":true,"unit":"sei-000295#insight-3","date_modified":"2026-10-23"}],"climate_tags":["hydropower","carbon dioxide emissions"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["discrete choice experiment","valuation study"]},{"id":"sei-000008","url":"https://climateinsightsdirectory.org/document/sei-000008","title":"Marine Trade-offs","publisher":{"name":"Stockholm Environment Institute","organization":"stockholm-environment-institute"},"document_type":"research paper","language":"en","date_published":"2016-03-02","source_url":"https://www.sei.org/publications/marine-trade-offs/","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The research evaluates public preference and welfare effects regarding the siting of wind farms versus marine protected areas off the coast of Estonia. Using a latent class mixed logit model, the study finds that while conventional wind farms are generally opposed in favor of marine protected areas, 'environmentally-friendly' wind farms provide welfare benefits that are not statistically different from those of marine protected areas.","ai_generated":true,"unit":"sei-000008#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Respondents generally prefer the creation of marine protected areas over the conversion of marine shoals into conventional wind farms.","ai_generated":true,"unit":"sei-000008#insight-1","date_modified":"2026-10-23"},{"text":"The welfare benefits associated with 'environmentally-friendly' wind farms, a government-considered alternative, are not statistically different from the benefits of establishing a new marine protected area.","ai_generated":true,"unit":"sei-000008#insight-2","date_modified":"2026-10-23"},{"text":"The study demonstrates that the latent class mixed logit model can represent both within- and between-class preference heterogeneity, marking its first application in willingness-to-pay space for environmental goods.","ai_generated":true,"unit":"sei-000008#insight-3","date_modified":"2026-10-23"}],"climate_tags":["offshore wind power"],"geography_discussed":["Europe"],"frame_perspective":[],"analysis_type":["discrete choice experiment","choice modeling","latent class mixed logit model"]}]}