ex9_1_5.gms:

References:

• Floudas, C A, Pardalos, P M, Adjiman, C S, Esposito, W R, Gumus, Z H, Harding, S T, Klepeis, J L, Meyer, C A, and Schweiger, C A, Handbook of Test Problems in Local and Global Optimization. Kluwer Academic Publishers, 1999.
• Bard, J F, Some Properties of the Bilevel Programming Problem. Journal of Optimization Theory and Applications 68 (1991), 371-378.
• Original source: Global Model of Chapter 9 ex9.1.5.gms from Floudas e.a. Test Problems

Point: p1 
Best known point: p1 with value -1.0000