Notes, Comments and Preliminary results Dec 30 2022 Hyungkee Young Baek and David D. Cho   Overconfidence and risky investment choices   Abstract  Contact Information  Citation  Full Text  -  Note   May 15 2019 H. Young Baek and Florence Neymotin   Overconfident entrepreneurs: Innovating more and paying the piper   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result