Critically discussing the Rule of Reason and Per se Rule

The essay will look upon both the rules of construction originating from the U.S jurisdiction and how the authorities based their decision under various cases involving appreciable adverse effect on competition.The main cases to be taken up are:-a. Standard Oil company of New Jersey vs. United States,b. Board of Trade of City of Chicago vs United Statesc. Dry Stone Pipe and Steel Company vs United Statesd. Northern Pacific Railway Company vs United States