“…Previous studies (Ankrah Twumasi et al, 2022; Li, Gan, et al, 2020; Li, Ma, et al, 2020; Miyata et al, 2009) have addressed endogeneity problems through several econometric techniques, including regression adjustment (RA) estimator, propensity score matching (PSM), inverse probability‐weighting with regression adjustment (IPWRA) and inverse‐probability weighting (IPW). However, these methods only consider respondents' observed characteristics; hence, estimated results are prone to inconsistencies (Ma & Abdulai, 2016; Ma et al, 2020).…”