Ch+6.2

Ch 6.2 answer questions
 * 1) a shift in the supply curve can change prices like advance in technology, new government taxes and subsides and changes in the price of the raw materials and labor used to produce the good
 * 2) when the supply falls the demand in the market rises up because people want the product.
 * 3) the market equilibrium follows intersection of the demand curve and the supply curve as the point moves downward along the demand curve
 * 4) a decrease in the demand will probably lead to surplus