Penny Wise, Dollar Foolish: Buy-Sell Imbalances On and Around Round Numbers. - Utpal Bhattacharya; Craig W. Holden; Stacey Jacobsen (Manag. Sci., 2012)

Do Superstitious Traders Lose Money? - Utpal Bhattacharya; Wei-Yu Kuo; Tse-Chun Lin; Jing Zhao (Manag. Sci., 2018)