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최신자료
Explaining Movements in Government Debt
NBER
2026.09.02
Standard New Keynesian models with time-consistent policy predict minimal debt responses to conventional shocks, as a debt stabilization bias dominates tax-smoothing motives. We show that two mechanisms can generate debt movements of the magnitude observed in the data: increases in policymaker myopia and declines in real interest rates, such as during flight-to-safety episodes. Other potential drivers-changes in markups, debt maturity, government transfers, or large recessions-cannot account for such fluctuations.