“…The literature suggests several determinants of military expenditure including gross domestic product (GDP), population, trade openness, political regime, socio-political conflicts, insurgency or insecurity, population of armed forces, existence of external threats, military expenditure of potential enemies and total expenditure on the real enemies (Coutts et al, 2019;Dizaji, 2019;Markowski et al, 2017). Recently, researchers have focused on how oil price shocks affect military expenditure in oil-resource-endowed countries (Bakirtas & Akpolat, 2020;Erdoğan et al, 2020).…”