・“Inflation Target and Anchor of Inflation Forecasts in Japan” (with Shin-ichi Fukuda), Journal of the Japanese and International Economies, 52, June 2019, 154-170.
・“The Effects of QQE on Long-run Inflation Expectations in Japan” (with Mototsugu Shintani)
・“Optimal Discretion Policy with a Zero Lower Bound under Parameter Uncertainty”
・“Time-Varying Fiscal Multipliers Identified with Sign and Zero Restrictions:A Bayesian Approach to TVP- VAR-SV Model” (with Hirokuni Iiboshi, Yasuharu Iwata, Yuto Kajita)