1.several new company enter the home computer industry
2.consumers suddenly decide SUVs are unfashionable
3.the U.S Surgeon General issues a report stating that tomatoes prevent colds
4.frost threatens to demand the coffee crop,and consumer expect the price to rise sharply in the future
5.the price of tea falls.what is the effect on the coffee market?
6.the price of sugar rises.what is the effect on the coffee market?
7.Tobacco lobbyists convince Congress to remove the tax paid by sellers on each carton of cigarettes sold
8.a new type of robot is invented that will pick peaches
9.Nintendo anticipates that the future price of its games will fall much lower than the current price