00319nam a2200109Ia 4500082002100000100004000021245009800061260003100159300000900190500000500199700000500204  a330.183bL666.NG  aLevitan, Richard and Shubik, Martin  aNonsymmetric game ; joint maximum, efficient solution and measures of collusion and welfareb  aYalebYale Univ. Pr.c1967  a19p.  a  a