“…Researchers mention such sources of endogeneity as trade, labour market flexibility, institutions, financial integration, the synchronisation of shocks, and output (Frankel & Rose, 1998;Melitz, 2004;Baele et al 2004, Ferto, 2018Moździerz, 2019;Androniceanu, Kinnunen, & Georgescu, 2020). Among other institutional factors of endogeneity, positive changes in government expenditure and money supply are one of the main (Sriyana, 2019;Androniceanu, 2020). However, the endogeneity of mentioned indicators is not always the case.…”