{"id":"W2766735496","doi":"10.5539/ijef.v9n12p44","title":"Estimating the Optimal Time for a Road Concession Contract in Brazil","year":2017,"lang":"en","type":"article","venue":"International Journal of Economics and Finance","topic":"Public-Private Partnership Projects","field":"Business, Management and Accounting","cited_by":5,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Term (time); Business; Finance; Stage (stratigraphy); Contract management; Operations management; Operations research; Economics; Engineering; Marketing","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005690674,0.00006508069,0.0001272028,0.00007993373,0.0001283529,0.0007231586,0.0005336279,0.00002767453,0.000008735081],"category_scores_gemma":[0.0003435983,0.00004938385,0.00004614074,0.00001230315,0.0000540798,0.001545346,0.0001098411,0.00008705803,0.000006466262],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002707496,"about_ca_system_score_gemma":0.0000358699,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00006547536,"about_ca_topic_score_gemma":0.00003106072,"domain_scores_codex":[0.9994904,0.000002602625,0.0002773227,0.00008653591,0.00004557537,0.00009760466],"domain_scores_gemma":[0.9988176,0.00005544519,0.0008791251,0.0000865098,0.0001569594,0.000004421263],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.001638701,0.0002815221,0.06701551,0.00006472314,0.0003033681,0.00009299723,0.0005087995,0.09162556,0.0005375858,0.374419,0.005481032,0.4580312],"study_design_scores_gemma":[0.001646252,0.0000153524,0.0594494,0.0001146204,0.000008408671,0.00002149673,0.00001522395,0.8841572,0.00004644619,0.008987463,0.04542889,0.0001092021],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9888803,0.0000709896,0.0001996237,0.007985278,0.0007140034,0.00008071306,0.000003508289,0.000001659758,0.002063961],"genre_scores_gemma":[0.9968923,0.00005066501,0.001288624,0.0006018552,0.001081588,0.000004133595,0.000001797742,0.000006467469,0.00007253831],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.7925317,"threshold_uncertainty_score":0.6973435,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02752601823169817,"score_gpt":0.2942812925262396,"score_spread":0.2667552742945415,"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."}}