# replicate Example 14.2 (SUR system) from Greene's 5th edition
open greene13_1.gdt
system method=sur
equation I_GM const F_GM C_GM
equation I_CH const F_CH C_CH
equation I_GE const F_GE C_GE
equation I_WE const F_WE C_WE
equation I_US const F_US C_US
end system