Southwest Airlines begins a “Bags Fly Free” campaign

Southwest Airlines begins a “Bags Fly Free” campaign, charging no fees for the first and second checked bags. Does this situation best represent producer–producer rivalry, consumer–consumer rivalry, or consumer–producer rivalry?

 #1 - Apply economic reasoning to business decisions.

 #2 - Apply game theory to economic decision-making.

# please response with ~ 250 words and at lease one citation in APA format.