“…Few studies have used comprehensive descriptive analysis for cross country data to compare the level of healthcare financing across the countries in the same region (Nwakanma, 2013;Asbu et al, 2017, Nikoloski & Amendah, 2017, while panel pooled or fixed Ordinary Least Squares (OLS) to account for endogeneity was adopted by Gani (2008), Farag et al (2013), Akinci et al (2014, Kulkarni (2016) and Bein et al (2017). However, some studies claimed that it is good to account for cross-section dependence and heterogeneity with the inclusion of cointegration relationship among variables, which called for the application of two-stage least squares (2SLS), Error Correction Model (ECM), Linear Mixed Model, Panel Autoregressive distributed lag, fully modified ordinary least squares (FMOLS) and panel cointegration test (Martin et al,2009;Anyanwu and Erhijakpor,2009;Kim and Lane 2013;Fazaeli et al, 2016;Rana et al, 2018). Other methods applied are logistic regression for state analysis and OLS for single country analysis (Riman and Akpan, 2012;Edeme et al, 2017).…”