From individual to market demand Functions Think of an economy containing n consumers,denoted by i=1, Consumer is ordinary demand function for commodity j is 了(P1p2,m)From Individual to Market Demand Functions ◆Think of an economy containing n consumers, denoted by i = 1, … ,n. ◆Consumer i’s ordinary demand function for commodity j is xj p p m *i i ( , , ) 1 2