"The Costs and Benefits of Repealing the Zero Lower Bound … and Then Lowering the Long-Run Inflation Target" in Japanese: ゼロ下限を無効にする費用と便益…そして長期インフレ目標を下げる →

The link above is to the Japanese version. “The Costs and Benefits of Repealing the Zero Lower Bound … and Then Lowering the Long-Run Inflation Target” in English can be found here.