Practices and conducts in professional and even amateur sports can be subject to competition laws as soon as commercial … competition policy interventions. Setting and enforcing the rules of the game is an activity with commercial effects because it … reviews selected landmark cases in sports competition policy from an economic perspective. This includes the U.S. baseball …

Regression methods are commonly used in competition lawsuits for, e.g., determining overcharges in pricefixing cases … are descriptive but need not be universally valid. This paper opens up the black box called econometrics for competition …