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Characterizations of the cycle-complete and folk solutions for minimum cost spanning tree problems

Christian Trudeau

No 1303, Working Papers from University of Windsor, Department of Economics

Abstract: Minimum cost spanning tree problems connect agents efficiently to a source when agents are located at different points and the cost of using an edge is fixed. The folk and cycle-complete cost sharing solutions always offer core allocations. We provide similar characterizations for both. A new property is based on the following observation: when all agents have the same cost to connect to the source, we can connect one of them to the source then connect all other agents to him, as if he was the source. Cost sharing should also be done in these two steps. We also use some common properties: Core Selection, Piecewise Linearity and an independence property. The solutions are differentiated by properties that apply when the cheapest edge to the source gets cheaper. Either the savings are equally distributed among all agents (folk) or the agent on that edge gets all of the savings (cycle-complete).

Keywords: Minimum cost spanning tree problems; folk solution; cycle-complete solution; core. (search for similar items in EconPapers)
JEL-codes: C71 D63 (search for similar items in EconPapers)
Pages: 16 pages
Date: 2013-05
New Economics Papers: this item is included in nep-gth
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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http://web2.uwindsor.ca/economics/RePEc/wis/pdf/1303.pdf First version, 2013 (application/pdf)

Related works:
Journal Article: Characterizations of the cycle-complete and folk solutions for minimum cost spanning tree problems (2014) Downloads
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