{"id":"W3204886270","doi":"10.2139/ssrn.3927250","title":"Centralized Procurement and Delivery Times: Evidence from a Natural Experiment in Italy","year":2021,"lang":"en","type":"article","venue":"SSRN Electronic Journal","topic":"Public Procurement and Policy","field":"Business, Management and Accounting","cited_by":5,"is_retracted":false,"has_abstract":false,"ca_institutions":"HEC Montréal; Queen's University","funders":"Canada Research Chairs","keywords":"Procurement; Natural (archaeology); Natural experiment; Business; Geography; Medicine; Marketing; Archaeology","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0007996449,0.0002050894,0.000221578,0.000189844,0.0001489941,0.0004675883,0.0002434442,0.00005565182,0.000221898],"category_scores_gemma":[0.0001631085,0.0001831447,0.00008045541,0.0003607133,0.00002860861,0.001723284,0.0001716443,0.0008262957,0.00004605468],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005383146,"about_ca_system_score_gemma":0.000900979,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0009854542,"about_ca_topic_score_gemma":0.002594696,"domain_scores_codex":[0.9974073,0.00003031143,0.0003381242,0.0003010802,0.000373471,0.00154977],"domain_scores_gemma":[0.9994699,0.00003408662,0.0001795079,0.0001427263,0.0001478555,0.00002594834],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.001855919,0.001739981,0.2506143,0.0004007089,0.00191604,0.0003923411,0.003397141,0.00005875391,0.1397698,0.4437129,0.0163408,0.1398013],"study_design_scores_gemma":[0.02312259,0.0003489552,0.09240974,0.002985774,0.0007643107,0.0005663834,0.02044186,0.007893372,0.01120665,0.6835625,0.1524623,0.004235575],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9516956,0.04202906,0.0001079302,0.004436282,0.0002933415,0.0001975685,8.26567e-7,0.00004109967,0.001198314],"genre_scores_gemma":[0.9936449,0.003471682,0.0000831874,0.000993392,0.00102724,0.00001472685,0.00001494695,0.00001868946,0.0007312481],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2398496,"threshold_uncertainty_score":0.7468426,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01598593575517734,"score_gpt":0.2440617318250428,"score_spread":0.2280757960698655,"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."}}