Just one animated gif file on this one:
Some questions to think about:
(1) Do these things affect the demand or supply of oil? (a) The Alaskan oil pipeline was completed. (b) Price supports were removed from oil. (c) Oil was discovered in the Bering Sea. (d) Sport utility vehicles become more popular. (e) The use of nuclear power declined.
(2) Why is it more expensive to ski in Aspen in January than in April?
(3) Demand or supply of jeans? (a) A new technology becomes available that cuts the time to make jeans in half. (b) The price of denim falls. (c) Jeans go out of fashion. (d) The price of a pair of jeans falls. (e) The wage rate paid to garment workers increases. (f) People's income increases.