Koji Ota, David Lau, Hironori Kawase. Signal strength adjustment behavior: Evidence from share repurchases. Journal of Banking & Finance. 2022. 143. 106545. 1-17
David Lau, Koji Ota, Norman Wong. The need for speed: an intuitive approach to understanding the relationship between audit quality and management earnings forecasts. Meditari Accountancy Research. 2022. 30. 7. 185-212
Koji Ota, David Lau. Share repurchases on the Tokyo Stock Exchange Trading Network. Journal of the Japanese and International Economies. 2021. 61. 101148. 1-17