Affiliation: | (1) Banc of America Securities, 9 West 57th Street, 40th floor, New York, N.Y. 10019, USA (e-mail: carrp@bofasecurities.com), US;(2) Robert H. Smith School of Business, Van Munching Hall, University of Maryland, College Park, MD. 20742, USA (e-mail: xjin@rhsmith.umd.edu; dbm@rhsmith.umd.edu), US |