An increase in the price of football tickets will cause the ________ for (of) basketball tickets (a substitute) to ________ .

The Japanese demand curve for dollars is downward-sloping because a:

a. higher number of yen per dollar means U.S. goods are cheaper in Japan. b. lower number of yen per dollar means U.S. goods are cheaper in Japan. c. lower number of yen per dollar means U.S. goods are more expensive in Japan. d. lower number of yen per dollar means U.S. goods are less expensive in the U.S.

The London Convention 1972 and the 1996 Protocol are aimed at the problem of

a. acid rain b. ozone depletion c. climate change d. dumping wastes at sea