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Table 4 Semiparametric recursive bivariate PROBIT model results: explore effect of social interaction on risk attitude, and risk attitudes on RTIMP adoption decision

From: Social networking and risk attitudes nexus: implication for technology adoption among smallholder cassava farmers in Ghana

A. Risk aversion equation

    

Variable

Variable notation

Parameter estimate

Standard error

p value

Constant

\({\theta }_{10}\)

1.617000***

0.493000

0.00

 Age

\({X}_{1}\)

0.386000 *

0.185000

0.04

 Sex

\({X}_{2}\)

− 0.013300

0.010500

0.20

 Household size

\({X}_{3}\)

0.063600

0.039800

0.11

 Education

\({X}_{4}\)

− 0.014200

0.017000

0.42

 Years of farming experience

\({X}_{5}\)

− 0.004150

0.026100

0.87

 Frequency of access to extension services

\({X}_{6}\)

− 0.159000***

0.043900

0.00

 Access to microcredit

\({X}_{7}\)

− 0.598000**

0.262000

0.02

 Revenue from sales of output

\({X}_{8}\)

− 0.000119***

0.000027

0.00

Smooth term variables

 

Edf

Chi-sq

P value

 Frequency of social interaction

\({S}_{1}\)

1.00000

1.52000

0.22

 Usefulness of social interaction

\({S}_{2}\)

2.41000**

7.90000

0.05

 Effectiveness of social interaction

\({S}_{3}\)

1.00000*

2.85000

0.09

 Degree of trust

\({S}_{4}\)

5.07000***

17.89400

0.01

B. RTIMP adoption equation

Constant

 

− 2.040000***

0.665000

0.00

 Risk aversion

\({Ys}_{1}\)

1.150000***

0.435000

0.00

 Ease of use

\({Z}_{1}\)

0.024300

0.064600

0.71

 High yielding

\({Z}_{2}\)

− 0.093600

0.075400

0.21

 Relative advantage

\({Z}_{3}\)

0.014900

0.039900

0.71

 Compatibility

\({Z}_{4}\)

0.135000**

0.066880

0.04

 Age

\({X}_{1}\)

− 0.285000*

0.153000

0.06

 Sex

\({X}_{2}\)

0.010400

0.008900

0.24

 Household size

\({X}_{3}\)

− 0.020420

0.036400

0.51

 Education

\({X}_{4}\)

0.027600*

0.015100

0.07

 Years of farming experience

\({X}_{5}\)

0.035500

0.024500

0.15

 Frequency of access to extension services

\({X}_{6}\)

0.047500

0.044500

0.29

 Access to microcredit

\({X}_{7}\)

0.584000***

0.211000

0.00

 Revenue from sales of output

\({X}_{8}\)

0.000075***

0.000022

0.00

 

Model summary

   
 

n

450

  
 

LogLik

− 395.69

  
 

Rho (\(\rho \))

0.20

  
 

ATE of risk aversion

− 0.38 (37.9%)

CI (− 0.55 − 0.09)

 
  1. Significance: “*”@ 0.1 alpha level,“**”@ 0.05 and “***”@ 0.01alpha level, respectively