国际货币基金组织：2024量化宽松下的日本政策乘数（英文版）

This paper tests whether Japan's key macro policy multipliers have declined since 2013, the year that Japan introduced Qualitative and Quantitative Easing. We use the augmented Blanchard-Perotti structural VAR model introduced in Ouliaris and Rochon (2021) to study the dynamic effects of shocks in the central bank’s asset holdings, interest rates, and debt levels relative to GDP on economic activity in Japan. We find that both the expenditure and tax multipliers of Japan have fallen,