SPF models | Pooled | Members | Nonmembers | Technical change (%) | Test of means |
---|---|---|---|---|---|
Unmatched conventional | |||||
Mean | 57,130.00 | 64,790.39 | 54,309.31 | 19.30 | 2.64*** |
Unmatched sample selection | |||||
Mean | 56,215.70 | 60,056.17 | 54,801.57 | 9.59 | 1.36* |
Matched conventional | |||||
Mean | 57,388.27 | 66,022.27 | 54,309.31 | 21.57 | 2.90*** |
Matched sample selection | |||||
Mean | 56,542.66 | 61,302.06 | 54,845.51 | 11.77 | 1.64* |