Sally would only agree to a second date with Andy if she sees him leave a generous tip for the waiter on their first dinner date. This is an example of a

Refer to Figure 21.2. If area A = 2,000, area B = 400, and area C = 2,600, what is the Gini coefficient for Urbania (rounded to two decimal places)?

A) 0.40 B) 0.43 C) 0.67 D) 0.77

A determinant of the price elasticity of supply is the extent to which

A) consumers like the quality of the good. B) the demand for the good is relatively elastic. C) the good has many consumer substitutes. D) production of the good uses commonly available resources.