TY - JOUR AU - Cai,Yongyang AU - Judd,Kenneth L. AU - Xu,Rong TI - Numerical Solution of Dynamic Portfolio Optimization with Transaction Costs JF - National Bureau of Economic Research Working Paper Series VL - No. 18709 PY - 2013 Y2 - January 2013 UR - http://www.nber.org/papers/w18709 L1 - http://www.nber.org/papers/w18709.pdf N1 - Author contact info: Yongyang Cai Hoover Institution Stanford University Stanford, CA 94305 E-Mail: yycai@stanford.edu Kenneth L. Judd Hoover Institution Stanford University Stanford, CA 94305-6010 Tel: 650/723-5866 Fax: 650/723-1687 E-Mail: kennethjudd@mac.com Rong Xu Department of Management Science and Engineering Stanford University Stanford, CA 94305, USA E-Mail: rongxu06@gmail.com AB - We apply numerical dynamic programming to multi-asset dynamic portfolio optimization problems with proportional transaction costs. Examples include problems with one safe asset plus two to six risky stocks, and seven to 360 trading periods in a finite horizon problem. These examples show that it is now tractable to solve such problems. ER -