The risk-free rate is the lowest rate of interest charged by the nation's leading banks on business loans to their most important and reliable business borrowers

The phenomenon where each actor is incentivized to maximize his gain from a public asset at the expense of all others is

A) the tragedy of the commons. B) cap-and-trade. C) the closed loop. D) the social pillar.

Susan would like to conduct a survey of homeowners in the Meadowbrook neighborhood to get their opinions on proposed road modifications in the area. Which of the following is an example of a stratified sample?

A) Susan randomly chooses two streets in the neighborhood and selects every home on these streets. B) Susan selects the first 20 homes that she passes as she walks into the entrance of the neighborhood. C) Susan selects every third house on each street in the neighborhood. D) Susan ensures that her sample contains a number of two-story, split-level, and ranch homes in her sample that corresponds to the number of homes in the neighborhood.