Galdeano et al. introduced the so-called information market game involving n identical firms acquiring a new technology owned by an innovator. For this specific cooperative game, the nucleolus is determined through a characterization of the symmetrical part of the core. The nonemptiness of the (symmetrical) core is shown to be equivalent to one of each, super additivity, zero-monotonicity, or monotonicity.
Dongshuang Hou. Theo Driessen. "The Core and Nucleolus in a Model of Information Transferal." J. Appl. Math. 2012 1 - 12, 2012. https://doi.org/10.1155/2012/379848