“…In terms of government interventions, the new growth theory, which introduces government public expenditure into the Arrow-Kurz model, was proposed, and theoretical derivation indicated that an increase in public expenditure would significantly promote economic growth (Barro, 1990). According to public finance theory, government expenditure is mainly financed through taxes; however, the advantages of tax financing are disputed, with increases in tax rates inhibiting economic growth (Yan and Gong, 2009). Just as theoretical disagreements have occurred, empirical analyses of the relationship between government intervention and economic growth have resulted in divergent conclusions (Barro and Redlick, 2011;Wang et al, 2015a).…”