- "Subperfect Game: Profitable Biases of NBA Referees" - A study published in 2012 evaluating possible "favoritism of home teams, teams losing during games, and teams that are behind in multigame playoff series." https://onlinelibrary.wiley.com/doi/epdf/10.1111/j.1530-9134.2011.00325.x 2 comments nba