Which of the following character types best describes the definition above?

As a result of emancipation,

(a) black labor force participation increased by 1/3. (b) black labor force participation declined by 1/3. (c) amazingly, black labor force participation remained essentially unchanged. (d) average wages of black workers rose well above those of their immigrant counterparts.

Which of the following makes a firm's resources hard to imitate?

a. They flow from the firm's unique history b. The link between resources and advantage is simple c. They aren't socially complex d. All of the above