{"id":"W1989705350","doi":"10.1111/0008-4085.00022","title":"On estimating the option value of preserving a wilderness area","year":2000,"lang":"fr","type":"article","venue":"Canadian Journal of Economics/Revue canadienne d économique","topic":"Capital Investment and Risk Analysis","field":"Economics, Econometrics and Finance","cited_by":56,"is_retracted":false,"has_abstract":true,"ca_institutions":"Wilfrid Laurier University","funders":"","keywords":"ESPACE; Wilderness area; Economics; Welfare economics; Wilderness; Economic rent; Forestry; Geography; Humanities; Mathematics; Philosophy; Microeconomics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":true,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.004100292,0.0006508795,0.001013913,0.001716149,0.000509481,0.002178671,0.001265898,0.001921873,0.005227947],"category_scores_gemma":[0.01770577,0.0004788593,0.0009611955,0.001362606,0.001403878,0.002598578,0.001050354,0.0009744653,0.0003243737],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001862958,"about_ca_system_score_gemma":0.001217295,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01178998,"about_ca_topic_score_gemma":0.006772612,"domain_scores_codex":[0.9990108,0.0004927357,0.00005301229,0.0001761851,0.0001876571,0.00007959636],"domain_scores_gemma":[0.989541,0.008965083,0.0007984269,0.0002168479,0.000338364,0.0001404463],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.00009788377,0.00004309887,0.01733277,0.0001031036,0.00006160102,0.0002330027,0.0001129172,0.8996467,0.001344354,0.04937738,0.0002561447,0.03139107],"study_design_scores_gemma":[0.000007085073,0.000050659,0.002024318,0.00002603622,0.000009882819,0.00006430017,0.00007577633,0.9726127,0.0004063111,0.02440467,0.0003024556,0.00001584679],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.378962,0.000493101,0.614437,0.0005358596,0.00003682129,0.0001236241,0.0002468301,0.0001229994,0.00504168],"genre_scores_gemma":[0.8921694,0.0004859171,0.1036341,0.00005146813,0.00003967008,0.00008526073,0.0002674667,0.00003311839,0.003233643],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.98821,"threshold_uncertainty_score":0.02344269,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1085623537435373,"score_gpt":0.1833443728834115,"score_spread":0.07478201913987415,"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."}}