“…On the expenditure side, no empirical study directly estimates the impact of expenditure amount or composition on state fragility, although, as noted in Besley and Persson (2014), the capacity of the state to provide public goods is seen as a critical pillar of development. Nonetheless, a number of papers tackle the impact of public spending on various aspects of state fragility, including conflict, poverty and inequality (Chu et al, 2000;Gupta et al, 2001Gupta et al, , 2003Burgoon, 2006;Thyne, 2006;Collier and Hoeffler, 2007;Taydas and Peksen, 2012;IMF, 2014a;Singh et al, 2014). As for tax revenue, findings suggest that the impact of some categories of spending varies depending on whether countries are resource-rich or not, highlighting the importance of controlling for this factor in empirical investigations.…”