What is the law of demand state? Why is the law of demand inversely related? What does the law supply state? Why is the law of supply positively related? What shifts the demand curve left and right on the graph? What shifts the supply curve left and right on the graph? If is there is greater demand what happens to price and quantity? If is there is less demand what happens to price and quantity? If is there is greater supply what happens to price and quantity? If is there is less supply what happens to price and quantity