https://scholarship.law.upenn.edu/cgi/viewcontent.cgi?article=2987&context=faculty_scholarship https://scholarship.law.upenn.edu/cgi/viewcontent.cgi?articl...

https://scholarship.law.upenn.edu/cgi/viewcontent.cgi?article=2987&context=faculty_scholarship https://scholarship.law.upenn.edu/cgi/viewcontent.cgi?articl... The consumer welfare principle post-dates anti-trust.