1. Classify the effect of each of the following as a decrease in the demand for fish or a decrease in the quantity of fish demanded. Illustrate each diagrammatically. a. People buy less fish because of a rise in fish prices. b. The price of beef falls and, as a result, consumers buy more beef and less fish. c. It is generally alleged that eating fish is better for one's health than eating meat. 2. Classify the following situations as either a movement along the supply curve or a shift of the supply curve of Coke. Illustrate each diagrammatically. a. A decrease in the supply of cola. b. A fall in the price of Coke. c. An increase in the price of sugar. d. An improvement in soft-drink bottling technology