Table 2 Fractional probit average marginal effect estimates of village-level intensity of adoption of potato varieties, Yunnan Province, 2015 (Marginal effects and standard errors shown)
From: The curious case of C-88: impacts of a potato variety on farmers in Yunnan, China
C-88 | Hui-2 | Weiyu-3 | Mira | Xuanshu-2 | Qingshu9 | Lishu-7 | |
|---|---|---|---|---|---|---|---|
AME | AME | AME | AME | AME | AME | AME | |
Number of HHs in village | 0.0005** (0.000) | − 0.0008* (0.000) | − 0.0001 (0.000) | 0.0014*** (0.000) | 0.0002** (0.000) | − 0.0001 (0.000) | − 0.0007*** (0.000) |
Village total potato area (mu) | 0.0003*** (0.000) | 0.0005*** (0.000) | 0.0003 (0.000) | − 0.0013** (0.001) | 0.0002*** (0.000) | − 0.0003*** (0.000) | 0.0001*** (0.000) |
Distance to county town (km) | 0.0037*** (0.001) | 0.0013*** (0.000) | − 0.0019 (0.001) | 0.0010 (0.001) | − 0.0002 (0.000) | 0.0007*** (0.000) | − 0.0032** (0.001) |
Average HH dependency ratio | 0.1271 (0.457) | 1.4382*** (0.198) | − 0.0130 (0.313) | − 1.2023*** (0.381) | 0.4917** (0.246) | − 0.5185*** (0.116) | 0.1033 (0.196) |
HH average years of experience in potato cultivation | − 0.0182*** (0.005) | 0.0048 (0.004) | 0.0120*** (0.004) | 0.0178** (0.008) | − 0.0021 (0.003) | − 0.0135*** (0.003) | − 0.0003 (0.004) |
Average HH livestock wealth index | 0.0490*** (0.015) | 0.0385*** (0.010) | − 0.0883*** (0.021) | − 0.1416*** (0.037) | 0.0264*** (0.009) | 0.0342*** (0.009) | 0.0206 (0.013) |
Average HH head years of education | 0.0806*** (0.027) | − 0.1009*** (0.015) | − 0.0029 (0.023) | 0.0171 (0.026) | − 0.0006 (0.008) | − 0.0027 (0.006) | 0.0162 (0.013) |
% of self-kept seeds in total quantity of seeds | 0.0766 (0.070) | − 0.0210 (0.056) | − 0.2031*** (0.055) | 0.2832*** (0.072) | − 0.0305 (0.037) | 0.0157 (0.027) | − 0.1013** (0.048) |