The following data sets contain the input data that are used in this example:
/* missing supply indicates unbounded */ data raw_material_data; input raw $10. supply; datalines; Fat 600000 DryMatter 750000 Water . ; data product_data; input product $ Fat DryMatter Water prev_demand prev_price; datalines; Milk 4 9 87 4820000 297 Butter 80 2 18 320000 720 Cheese1 35 30 35 210000 1050 Cheese2 25 40 35 70000 815 ; data elasticity_data; input i $ j $ elasticity; datalines; Milk Milk -0.4 Butter Butter -2.7 Cheese1 Cheese1 -1.1 Cheese2 Cheese2 -0.4 Cheese1 Cheese2 0.1 Cheese2 Cheese1 0.4 ;