Global Economic Overheating: Drivers, Indicators, and Policy Brakes

Gist Despite major geopolitical shocks and surging energy prices, the global economy is currently experiencing robust growth, driven largely by artificial intelligence AI investments and increased defence spending. Because governments are relying on this growth to manage their debt burdens rather than cutting fiscal expenditure, central banks are left to fight inflation alone. For a civil services aspirant, this highlights a critical macroeconomic shift: the post-2008 era of low growth and low interest rates is ending, replacing fiscal policy with monetary policy as the sole brake against economic overheating. Background In macroeconomic management, inflation and economic overheating are typically controlled through two levers: Fiscal Policy governments reducing spending or raising taxes and Monetary Policy central banks raising interest rates to make borrowing expensive . Following the 2008 global financial crisis , the world entered a "new normal" defined by low economic growth, subdued inflation, high savings, and near-zero interest rates. Currently, this paradigm is reversing. Despite major supply-side shocks—which traditionally slow down economies and cause stagflation—global industrial activity is accelerating. Because governments are unwilling to use fiscal brakes, central banks…