“…This suggestion was already explicitly formulated in the seminal paper of Shapley and Shubik (1954) and taken up again in Milnor and Shapley (1978). It has been further explored, among others, by Gambarelli (1982Gambarelli ( , 1994, Cubbin and Leech (1983), Leech (1988Leech ( , 2002aLeech ( , 2002bLeech ( , 2003, Leech and Manjòn (2003), Pohjola (1988), Strand (2003), Zwiebel (1995), etc.…”