{"id":"W2196063964","doi":"10.2139/ssrn.2021579","title":"The Annuity Duration Puzzle","year":2012,"lang":"en","type":"article","venue":"SSRN Electronic Journal","topic":"Financial Literacy, Pension, Retirement Analysis","field":"Business, Management and Accounting","cited_by":8,"is_retracted":false,"has_abstract":false,"ca_institutions":"York University; McMaster University","funders":"","keywords":"Annuity; Duration (music); Medicine; Actuarial science; Economics; Life annuity; Finance; Physics; Pension","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":[0.003126813,0.0001394126,0.0001250565,0.0001213052,0.001203572,0.0003783616,0.0002885945,0.00004703979,0.000108428],"category_scores_gemma":[0.0002389433,0.00009443912,0.00013879,0.0004254746,0.00003771995,0.00197478,0.00007446166,0.0007159344,0.0004939851],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000297356,"about_ca_system_score_gemma":0.0001467248,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001760591,"about_ca_topic_score_gemma":0.002022878,"domain_scores_codex":[0.9972989,0.00002530445,0.0003295194,0.0001168398,0.0003651311,0.001864334],"domain_scores_gemma":[0.999227,0.00003280382,0.0003368917,0.0001860996,0.0002010087,0.00001622148],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00004090722,0.00006024326,0.3985395,0.000005978678,0.00003346398,6.987807e-7,0.0000412885,0.000005879491,0.0001693297,0.587876,0.002184852,0.01104184],"study_design_scores_gemma":[0.0007094535,0.00003340327,0.2114336,0.00002895576,0.0002774796,0.00006174944,0.001102357,0.001234802,0.00007204305,0.2163638,0.5681813,0.0005010297],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9865552,0.003773445,0.0007034052,0.001796051,0.0008921053,0.0001640031,3.952797e-7,0.00006613133,0.006049254],"genre_scores_gemma":[0.9930235,0.0006094499,0.0000174269,0.0003582558,0.003830567,0.000004661289,0.000008787701,0.00001878898,0.002128596],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.5659965,"threshold_uncertainty_score":0.9257021,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007927029251783506,"score_gpt":0.2181197371246132,"score_spread":0.2101927078728297,"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."}}