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Table 12 Estimates of the models of technology adoption (Pooling potato and wheat farmers)

From: Production risk and adoption of irrigation technology: evidence from small-scale farmers in Chile

Variables

Probit

Irrigation = 1

Ordered probit+

Level: 1, 2, 3

Multinomial probit

Probit on selected sample

Modern irrigation = 1

Probit with sample selection

Modern irrigation = 1

Modern

Traditional

Moments of production distribution

 Mean

0.120 (0.0181)***

0.105 (0.0162)***

0.141 (0.0651)**

0.168 (0.0261)***

0.184 (0.0716)**

0.194 (0.0686)***

 St. Dev.

0.503 (0.0814)***

0.482 (0.0693)***

0.205 (0.234)

0.676 (0.118)***

−0.479 (0.214)**

−0.420 (0.193)**

 Skewness

0.0404 (0.00940)***

0.0405 (0.00807)***

0.0358 (0.0251)

0.0510 (0.0137)***

−0.0138 (0.0234)

−0.0180 (0.0217)

Household characteristics

 Gender

−0.000226 (0.000175)

−0.000188 (0.000157)

−0.000884 (0.000726)

−0.000271 (0.000250)

−0.000668 (0.000768)

−0.000702 (0.000686)

 Age

−0.0891 (0.0386)**

−0.0774 (0.0347)**

−0.160 (0.159)

−0.117 (0.0550)**

−0.0394 (0.161)

−0.109 (0.143)

 Education

0.0848 (0.0101)***

0.0738 (0.00885)***

0.141 (0.0295)***

0.113 (0.0147)***

0.0970 (0.0312)***

0.105 (0.0297)***

 Reside in farm

−0.0531 (0.0398)

−0.0387 (0.0358)

0.165 (0.146)

−0.0906 (0.0575)

0.272 (0.155)*

0.348 (0.146)**

 Dependence

−0.000486 (0.000220)**

−0.000467 (0.000203)**

−0.00182 (0.00367)

−0.000704 (0.000315)**

−0.00221 (0.00550)

−0.00181 (0.00713)

 Capital

0.227 (0.0464)***

0.205 (0.0388)***

0.365 (0.106)***

0.292 (0.0685)***

0.0843 (0.111)

0.0164 (0.104)

 Land

0.0157 (0.0305)

0.0315 (0.0267)

0.349 (0.0867)***

−0.00934 (0.0448)

0.300 (0.0954)***

0.275 (0.0902)***

 Potato farmer

0.610 (0.0522)***

0.556 (0.0470)***

1.436 (0.206)***

0.803 (0.0748)***

1.017 (0.208)***

0.797 (0.198)***

Institutional aspects

 Secure tenure

0.108 (0.0562)*

0.132 (0.0509)***

0.508 (0.251)**

0.121 (0.0809)

0.579 (0.306)*

0.569 (0.292)*

 Extension

0.118 (0.0577)**

0.171 (0.0516)***

0.680 (0.148)***

0.0711 (0.0863)

0.407 (0.179)**

0.387 (0.171)**

 Credit

0.138 (0.0642)**

0.167 (0.0532)***

0.279 (0.131)**

0.166 (0.0955)*

0.205 (0.133)

0.151 (0.125)

 Participation

0.570 (0.0443)***

0.407 (0.0376)***

0.412 (0.130)***

0.854 (0.0649)***

0.0543 (0.130)

0.0580 (0.124)

 N° irrigat (T)

0.00146 (3.18e−05)***

0.00123 (2.65e−05)***

0.000956 (0.000139)***

0.00208 (4.54e−05)***

−0.000729 (0.000135)***

−0.000648 (0.000133)***

 N° irrigat (M)

−0.00324 (0.000289)***

−0.00260 (0.000226)***

0.000219 (0.000729)

−0.00492 (0.000411)***

0.00268 (0.000661)***

0.00193 (0.000637)***

Environmental factors

 Soil quality

−0.197 (0.0761)***

−0.0373 (0.0684)

−0.194 (0.284)

−0.288 (0.110)***

0.550 (0.304)*

0.528 (0.285)*

 Rainfall

−0.981 (0.0413)***

−0.802 (0.0363)***

−0.384 (0.152)**

−1.437 (0.0592)***

0.801 (0.143)***

 

 North zone

1.052 (0.145)***

0.660 (0.101)***

1.649 (0.377)***

1.440 (0.203)***

0.551 (0.303)*

−0.382 (0.230)*

 South zone

−0.809 (0.0957)***

−0.705 (0.0785)***

−0.350 (0.186)*

−2.121 (0.289)***

2.251 (0.446)***

2.449 (0.439)***

 Constant

4.441 (0.321)***

6.688 (0.460)***

−2.762 (1.278)**

6.688 (0.460)***

−8.543 (1.278)***

−3.078 (0.688)***

 Cut1

 

−3.277 (0.287)***

    

 Cut2

 

−0.605 (0.287)**

    

Observations

14,086

14,086

14,086

2703

2703

  1. Bootstrapped standard errors in parentheses, 1000 replications
  2. *** p < 0.01, ** p < 0.05, * p < 0.1