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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)
  1. 1. AME: average marginal effects on village adoption rates
  2. 2. Level of significance: "***" 1%; "**" 5%; "*" 10%