We propose a new, easy-to-implement, class of payment rules, "Reference Rules", to make core-selecting package auctions more robust.  Small, almost-riskless, profitable deviations from "truthful bidding" are often easy for bidders to find under currently-used payment rules.  Reference Rules...

This note introduces transferable utility cooperative games with multiple membership, extending the scope of cooperative game theory to economic environments featuring externalities and membership in multiple coalitions.  This wider class of games generalises games in characteristic and...