Notes, Comments and Preliminary results Mar 11 2009 Aaron Lowen and Chung-Hua Shen   The random walk hypothesis revisited: evidence from the 16 OECD stock prices   Abstract  Contact Information  Citation  Full Text  -  Note   Aug 26 2008 Matthew Cole , M. Ryan Haley and Aaron Lowen   A note on bilateral trade agreements in the presence of irreversible investment and deferred negotiations   Abstract  Contact Information  Citation  Full Text  -  Note