In Figure 6.1, which area represents an expansion? 

During a drought, the price elasticity of demand for water is less than one. During a flood, the price elasticity of demand for water is greater than one. This means that the:

a. demand for water is elastic during a drought and inelastic during a flood. b. demand for water is inelastic during a drought and elastic during a flood. c. demand curve for water cannot have a constant slope. d. quantity of water people choose to consume is independent of the price

The official poverty income threshold in the United States is

A. based on the cost of a budget that includes food, clothing, and shelter. B. never adjusted for the effects of inflation. C. the same for all families independent of the number of people in the family. D. calculated as three times the cost of a minimally acceptable diet for a family.