Main points of the text 1.What is Supply and Demand 2.factors influencing prices 3.the condition for the price determining mechanism of supply and demand 制价爱行蜀易大考 15Main points of the text Main points of the text 1.What is Supply and Demand What is Supply and Demand 2.factors influencing prices factors influencing prices 3.the condition for the price the condition for the price – – determining mechanism of supply determining mechanism of supply and demand and demand