"Commerce." . . "Economics and Cost Analysis." . . "Simplex method." . . "Economic analysis." . . "STANFORD UNIV CALIF Dept. of OPERATIONS RESEARCH." . . "Production." . . "Algorithms." . . "Market research." . . "Operations research." . . "Operations Research." . "Consumers." . . . . "Convex sets." . . "Linear programming." . . "An Algorithm for a Piecewise Linear Model of Trade and Production with Negative Prices and Bankruptcy"@en . . . . . . . . . . . . . . . . . "An algorithm for a piecewise linear model of trade and production with negative prices and bankruptcy is described. The algorithm uses complementary pivoting to adjust the utility weights as in welfare economics and generates an approximate equilibrium or demonstrates that the traders are not resource related. (Author)."@en . . . "Bankruptcy." . .