{"query_echo":{"q":"","filters":{"analysis_type":["microsimulation"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'microsimulation' 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=microsimulation","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":"bc3res-000012","url":"https://climateinsightsdirectory.org/document/bc3res-000012","title":"Greener and Fairer: A Progressive Environmental Tax Reform for Spain","publisher":{"name":"Basque Centre for Climate Change","organization":"basque-centre-for-climate-change"},"document_type":"research paper","language":"en","date_published":"2019-09-18","source_url":"https://www.bc3research.org/eu/2019/09/greener-and-fairer-a-progressive-environmental-tax-reform-for-spain/","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"The authors propose a green tax reform for Spain to address environmental externalities, arguing that the potential regressive nature of such taxes can be mitigated by redistributing revenues to households on an equal-per-capita basis. Using coupled microsimulation and computable equilibrium analyses, the study finds that this approach achieves a substantial reduction in harmful emissions and results in a progressive impact on the population.","ai_generated":true,"unit":"bc3res-000012#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"A green tax reform in Spain can lower emissions without causing economic hardship for any population segment, provided that revenues are redistributed to households as equal-per-capita lump sums.","ai_generated":true,"unit":"bc3res-000012#insight-1","date_modified":"2026-10-23"}],"climate_tags":["greenhouse gas emissions"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["quantitative analysis","microsimulation","computable equilibrium analysis"]}]}