{"id":"W4412789100","doi":"10.1257/aer.20241305","title":"The Negligible Effect of Free Contraception on Fertility: Experimental Evidence from Burkina Faso","year":2025,"lang":"en","type":"article","venue":"American Economic Review","topic":"Global Maternal and Child Health","field":"Medicine","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"Polytechnique Montréal","funders":"Eunice Kennedy Shriver National Institute of Child Health and Human Development; California Center for Population Research, University of California, Los Angeles; National Institutes of Health; National Institute of Child Health and Human Development; Nederlandse Organisatie voor Wetenschappelijk Onderzoek; European Commission; John Templeton Foundation","keywords":"Fertility; Demography; Demographic economics; Population; Economics; Sociology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003020381,0.0001209054,0.0005895034,0.0000174815,0.00005374503,0.000009122761,0.0001810079,0.00001658842,0.0001023442],"category_scores_gemma":[0.0001358701,0.00007232765,0.0001370295,0.00006133079,0.0001579949,0.00003668457,0.00004882225,0.00009090591,0.0001232722],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001971493,"about_ca_system_score_gemma":0.00006850473,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002818702,"about_ca_topic_score_gemma":0.00004136282,"domain_scores_codex":[0.9990522,0.0001417994,0.0003757214,0.0002117112,0.00006780619,0.0001507261],"domain_scores_gemma":[0.998828,0.000378648,0.000196926,0.0005216561,0.00001343175,0.00006136468],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"observational","study_design_scores_codex":[0.002801718,0.0001600495,0.1115293,0.003424222,0.0003573745,0.000007555912,0.00008989992,0.000004739375,0.003751397,0.001470227,0.03265562,0.8437479],"study_design_scores_gemma":[0.002402487,0.004509838,0.7691817,0.03909792,0.0005660589,0.00001042753,0.0001572134,0.0001103032,0.03299513,0.0004625932,0.1502009,0.0003054121],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8729087,0.1176834,0.000004358164,0.005026516,0.0001615336,0.0006623352,0.000009986346,0.00001646499,0.003526652],"genre_scores_gemma":[0.9211886,0.07478551,0.0000205875,0.003752918,0.00004448147,0.00004549862,0.000003589081,0.000005358471,0.0001534749],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.8434425,"threshold_uncertainty_score":0.4261053,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01292216654218945,"score_gpt":0.334815935202644,"score_spread":0.3218937686604545,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}