! Keywords: Economic / Equilibrium / Marketing;
MAX 9X1 + 4.5X2 + 3X3 + 2.25X4 ! Maximize broker's revenue
- A1 - 2A2 - 3A3 - 4A4 ! minus cost
SUBJECT TO
A1 + A2 + A3 + A4 - X1 - X2 - X3 - X4 = 0 ! Supply = demand
A1 <= 2 A2 <= 2 A3 <= 2 A4 <= 2 ! Steps in supply
X1 <= 2 X2 <= 2 X3 <= 2 X4 <= 2 ! and demand functions
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