Mark and Chris be accused of Group Boycotting.
In terms of competition law, a group boycott is a particular kind of secondary boycott in which two or more rival businesses in a particular market refuse to do business with a company unless the latter agrees to stop working with one of their current or future rivals.
In the real estate brokerage industry, a typical group boycott allegation is that two or more real estate firms have agreed to refuse to collaborate or to work with a third firm in less favorable conditions.
A collective boycott is an action taken by a number of entities against their suppliers, consumers, or rivals for business reasons.
Boycotts allow people to demonstrate their values with their money. Boycotts give members of the community a way to defend their values. People can easily and very painlessly defend their values by participating in a boycott if it is well-organized.
A boycott will probably be regarded as First Amendment protected if it aims to influence political reform. However, the court will probably view the boycott as solely commercial action rather than a First Amendment statement or petition if its purpose is economic.
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