# replicate Example 14.2 (SUR system) from Greene's 5th edition
open greene13_1.gdt
system type=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
