Makoto Shimizu's Japanese Language Book on Negative Interest Rate Policy： 負の利子率政策 (ゼロ金利を突破してデフレから脱却する最強の金融政策): 清水 誠: 本 →

My former student Makoto Shimizu has published a book on negative interest rate policy in Japanese! The link above is to the relevant page on Amazon Japan.