MWG Definition 2.D. 1 The Walrasian Budget set Bpm={x∈界:p·x≤w} is the set of all feasible consumption bundles for the consumer faces market prices p and has wealth w Note: We will be treating all prices and consumption levels as being weakly posItive. Prices are treated as exogenous-as they will be in the production case. While neither consumer nor producer chooses prices (generally) prices are the extra parameter in each sides problem that ensures that demand and supply are equal Non-linear prices are certainly possibleMWG Definition 2.D.1 The Walrasian Budget Set Bp,w  x   L : p  x  w is the set of all feasible consumption bundles for the consumer faces market prices p and has wealth w. Note: We will be treating all prices and consumption levels as being weakly positive. Prices are treated as exogenous– as they will be in the production case. While neither consumer nor producer chooses prices (generally) prices are the extra parameter in each side’s problem that ensures that demand and supply are equal. Non-linear prices are certainly possible