How does price war affect businesses?

Which statement defines the term price ?

Saks fifth avenue wants to learn about its consumers' attitudes toward on-line purchases. there are numerous studies that are available about consumers and on-line buying, but saks believes its customers might be different from the usual on-line consumer profile, so they decide to conduct their own study. if saks were to use the available data about consumer attitudes, it would be using data; however, if saks does its own study it would collect data.

Agency costs do not involve costs that are incurred from managers pursuing their own interests at the expense of shareholder value and do not involve costs that are incurred by shareholders to make sure that managers pursue shareholder value.