We study the certification role of fairness opinions in corporate transactions in a simple non-cooperative setting with asymmetric information and possibly misaligned managerial incentives, and discuss the effect of different regulatory scenarios. Specifically, we compare three settings: one in...

We resolve redundancies in the characterizations of the Banzhaf value suggested by Haller (1994, Int J Game Theory 23, 261-281) and Malawski (2002, Int J Game Theory 31:47-67). In particular, we show that the collusion properties employed by them are equivalent. Combined with the dummy player...