Multiple criteria models for evaluation of competitive bids

S. L. Liu School of International Trade and Economics University of International Business and Economics Beijing, 100029 P. R. China E-Mail: slliu@mail.east.net.cn K. K. Lai Department of Management Sciences City University of Hong Kong, Hong Kong E-Mail: mskklai@cityu.edu.hk S. Y. Wang Institute of Systems Science Academy of Mathematics and Systems Sciences Chinese Academy of Sciences, Beijing 100080, China E-Mail: sywang@iss02.iss.ac.cn Abstract