An agent consumes quantity (x1,x2) of goods 1 and 2. She has utility

(1,2)=1122

The prices of the goods are (p1,p2).

1. a) Set up the expenditure minimization problem.

1. b) Derive the agent's Hicksian demands.

1. c) Derive the expenditure function.

1. d) Derive the Marshallian demand functions.