Thank you, Mr. Chair.
I certainly appreciate the breadth and depth of knowledge we have from our witnesses today. I'm finding very interesting the concepts you're bringing forward.
My first question will go to Professor Iacobucci.
I believe you defined the issue of market share such that it's not so much that you can define it; it's about market power. What are the challenges in trying to define market power as better than trying to define market share?