McDonald's can offset the decline in demand by influencing the different variables that affected the demand function for their products

Which of the following is NOT possible according to the law of demand?

A) a horizontal demand curve B) a vertical demand curve C) a downward-sloping supply curve D) an upward-sloping demand curve

In making promises that are not guaranteed by third parties and in imposing penalties that are not enforced by third parties, all of the following are credibility-enhancing mechanisms except

a. establishing a bond forfeited by violating the commitment b. investing in a non-redeployable reputational asset tied to the promise or threat c. interrupting the communication of negotiated compromises d. offering a warranty e. delivering a hostage (e.g., a patent license triggered by violating the promise)