Suppose Katrina always buys exactly 5 Rain Forest Bars each week, regardless of whether they are regularly priced at $1 or on sale for $0.50 . Based on this information, what is Katrina's price elasticity of demand for Rain Forest Bars?

In which of these developing regions has food production per capita steadily fallen over the last quarter century?

(a) Africa. (b) East Asia. (c) South Asia. (d) Latin America.

When consumer spending is high, the economy usually is in a(n)

A. depression. B. growth stage. C. inflationary period. D. recession.