{"query_echo":{"q":"","filters":{"analysis_type":["stated preference survey"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'stated preference survey' for facet 'analysis_type' is not in the controlled vocabulary."}]},"total":{"value":1,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?analysis_type=stated+preference+survey","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":"sei-002643","url":"https://climateinsightsdirectory.org/document/sei-002643","title":"Will African Consumers Buy Cleaner Fuels and Stoves?","publisher":{"name":"Stockholm Environment Institute","organization":"stockholm-environment-institute"},"document_type":"research paper","language":"en","date_published":"2011","source_url":"https://www.sei.org/mediamanager/documents/Publications/SEI-ResearchReport-Takama-WillAfricanConsumersBuyCleanerFuelsAndStoves-2011.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The report employs a Household Energy Economic Analysis (HHEA) model based on discrete choice analysis and stated preference surveys to understand why clean cooking technologies often fail to penetrate Sub-Saharan African markets. By surveying households in Addis Ababa, Dar es Salaam, and Maputo, the study argues that product-specific attributes—such as stove price, usage cost, safety, and smoke levels—are as critical as socio-economic factors in determining consumer choice. The findings reveal that low-income households are significantly more sensitive to upfront stove prices than usage costs, while higher-income groups show a greater willingness to pay for reduced smoke and increased safety. The report concludes that for bio-ethanol stoves to be viable, particularly for the poor, policies must address both the initial purchase price through subsidies or microfinance and the ongoing fuel costs.","ai_generated":true,"unit":"sei-002643#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Product-specific attributes, including stove price, usage cost, indoor smoke, and safety risk, are as important as socio-economic attributes in determining the market success of clean cooking stoves.","ai_generated":true,"unit":"sei-002643#insight-1","date_modified":"2026-10-23"},{"text":"In Ethiopia and Tanzania, low-income households are more sensitive to the initial purchase price of a stove than to its ongoing usage costs, whereas middle and high-income groups prioritize lower usage costs.","ai_generated":true,"unit":"sei-002643#insight-2","date_modified":"2026-10-23"},{"text":"Willingness to pay for 'soft' attributes like reduced smoke and increased safety increases significantly with household income levels in Ethiopia and Tanzania.","ai_generated":true,"unit":"sei-002643#insight-3","date_modified":"2026-10-23"},{"text":"Gender-based differences in decision-making were observed in Ethiopia and Tanzania, where men are more sensitive to usage costs and budget affairs, while women are more concerned about indoor smoke levels.","ai_generated":true,"unit":"sei-002643#insight-4","date_modified":"2026-10-23"},{"text":"In Mozambique, charcoal remains the most preferred cooking option despite the perceived value of the safety and cleanliness of ethanol stoves.","ai_generated":true,"unit":"sei-002643#insight-5","date_modified":"2026-10-23"},{"text":"Simulation results for Ethiopia indicate that bio-ethanol stoves cannot dominate the market based on fuel price alone; however, they become the most popular option if the stove price is reduced to 20 USD (e.g., via subsidies) and usage costs are kept low.","ai_generated":true,"unit":"sei-002643#insight-6","date_modified":"2026-10-23"},{"text":"The study identifies a specific barrier in Ethiopia where some consumers perceive ethanol as unsafe due to previous negative experiences with poor-quality ethanol-kerosene blends known as 'K-50'.","ai_generated":true,"unit":"sei-002643#insight-7","date_modified":"2026-10-23"}],"climate_tags":["ethanol fuel","household air pollution","biomass","deforestation","energy transition","climate change mitigation"],"geography_discussed":["Addis Ababa","Dar es Salaam","Maputo","KaTembe"],"frame_perspective":[],"analysis_type":["discrete choice analysis","stated preference survey","economic modeling","market simulation"]}]}