1{2 "experiment": 5,3 "name": "welfare_surface",4 "hypothesis": "Bargaining power: higher seller share beta raises prices and lowers tightness and hazards; total welfare is maximised near the Hosios value beta = 1-alpha with homogeneous sellers; with heterogeneous sellers the welfare-maximising beta deviates (numerical).",5 "rows": 170,6 "columns": [7 "alpha",8 "beta",9 "sellers",10 "welfare_total",11 "theta",12 "converged"13 ],14 "env": {15 "python": "3.14.4",16 "numpy": "2.4.4",17 "scipy": "1.17.1",18 "pandas": "3.0.2",19 "config_hash": "0a165f317815d76c",20 "seed": 20261020,21 "timestamp": "2026-10-20T08:03:27"22 }23}