“…The underlying idea is that societal fragmentation is conducive to rent-seeking activities, which in turn undermine the government's capacity to establish an egalitarian redistribution of income (Pleninger & Sturm, 2020). It is also widely acknowledged that population diversity hampers the provision of public goods by driving preference heterogeneity and lack of social cohesiveness (Alesina & Ferrara, 2005;Desmet et al, 2012;Arbatlı et al, 2020;Vu, 2021bVu, , 2021a. Many studies document that population diversity could give rise to conflicts, wars and political instability (Collier & Hoeffler, 2004;Montalvo & Reynal-Querol, 2005;Arbatlı et al, 2020;Vu, 2021a).…”