| boot_pgt | Subsampling inference for pollution-generating efficiency scores |
| boot_pgt_sensitivity | Subsample-size sensitivity of subsampling intervals |
| compare_models | Compare competing axiom systems on identical data |
| mac_curve | Marginal abatement cost curve |
| mb_check | Audit the materials-balance identity |
| pgt | Estimate a pollution-generating technology model |
| pgt_decompose | Decompose environmental efficiency across technology groups |
| pgt_ml | Global Malmquist-Luenberger productivity index |
| pgt_tech | Construct a pollution-generating technology |
| pigfarms | Pig-finishing farms from Rodseth (2025), Table 1 |
| shadow_prices | Extract shadow values from a pgt fit |
| steeldemo | Synthetic steel plant panel |