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Table 5 Sargan test of instrumental variable.

From: Impact of participation in social capital networks on the technical efficiency of maize producers in Southwest Nigeria

Variable

Technical efficiency of maize farmers

Probit model

OLS model

Participation in social capital networks

0.278*** (3.05)

0.576** (2.27)

Sargan estimates

 

0.44 (0.79)

  1. Figures in parenthesis are the t-values
  2. ***, ** and * represent significance levels at 1%, 5% and 10%, respectively
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Agriculture & Food Security

ISSN: 2048-7010