On Competitiveness in Uniform Utility Allocation Markets
نویسندگان
چکیده
We call a market competitive if increasing the endowment of one buyer does not increase the equilibrium utility of another. We show every competitive uniform utility allocation market is a submodular utility allocation market, answering a question of Jain and Vazirani, (2007). Our proof proceeds via characterizing non-submodular fractionally sub-additive functions.
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عنوان ژورنال:
- Oper. Res. Lett.
دوره 37 شماره
صفحات -
تاریخ انتشار 2007