IMF Working Papers

Macroeconomic Effects and Spillovers from Bank of Japan Unconventional Monetary Policy

ByYan Carriere-Swallow, Gene Kindberg-Hanlon, Danila Smirnov

November 7, 2025

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Format: Chicago

Yan Carriere-Swallow, Gene Kindberg-Hanlon, and Danila Smirnov. "Macroeconomic Effects and Spillovers from Bank of Japan Unconventional Monetary Policy", IMF Working Papers 2025, 227 (2025), accessed 12/5/2025, https://doi.org/10.5089/9798229029582.001

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Disclaimer: IMF Working Papers describe research in progress by the author(s) and are published to elicit comments and to encourage debate. The views expressed in IMF Working Papers are those of the author(s) and do not necessarily represent the views of the IMF, its Executive Board, or IMF management.

Summary

We provide empirical evidence on the impact of the Bank of Japan’s unconventional monetary policies on domestic economic variables and their spillovers to international sovereign yields. Using high-frequency asset price surprises to Bank of Japan (BOJ) policy announcements, we identify shocks to forward guidance (FG) and large-scale asset purchase (LSAP) policies. We show that expansionary LSAP and FG shocks increase Japanese activity and stock prices, lower unemployment, and depreciate the yen. We find that FG and LSAP shocks produce spillovers to sovereign bond yields in other countries. Spillovers from BOJ LSAP shocks seem to transmit through term premia, and the strength of spillovers is strongest to those markets where Japanese investors have a larger participation.

Subject: Asset prices, Central bank policy rate, Financial sector policy and analysis, Financial services, Inflation, Monetary policy, Prices, Spillovers, Unconventional monetary policies

Keywords: Asia and Pacific, Asset prices, Boj large-scale asset purchase, Central bank policy rate, Global, IMF working papers, Inflation, Japan, monetary policy transmission, policy announcement, quantitative easing, spillovers, surprises to Bank of Japan, Unconventional monetary policies