Abstract
This paper deals with pooling situations, which can be considered as exchange economies with indivisible goods and money, and two related cooperative games which we refer to as pooling games with individual rights and pooling games without individual rights. It is shown that the classes of pooling games without individual rights and transportation games coincide and are contained in the class of pooling games with individual rights. With tools from discrete convexity theory, it is proved that competitive equilibria for pooling situations exist. As a consequence, an alternative proof of the nonemptiness of the core of pooling games is provided.
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