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. 2022 Dec 30;9(1):e12726. doi: 10.1016/j.heliyon.2022.e12726

Table 7.

Tests of exogeneity.

Type of model Wald statistics p-value
Limited information maximum likelihood estimator (instrumental variable approach) 1.18 0.2774
Full information maximum likelihood estimator (equations system approach) 0.3416 0.5589

Source: Author’ calculation using data from LSMS 2015.