This paper deals with a core-equilibrium equivalence in an economy with public goods where preferences of consumers …

. The core predicts a unique and extreme outcome: the entire surplus is split evenly among the buyers when m > n and among … the sellers when m < n; the long side gets nothing. We test this core conjecture in the lab with n + m = 3 or 5 randomly … agreements while trading. Despite frequent attempts to collude and occasional large deviations from the core prediction, we find …

-convexity, under which the game is shown to have a non-empty core and the average tree solution lies in the core. In general, link …