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» Computing Equilibria in Finance Economies
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WINE
2007
Springer
120views Economy» more  WINE 2007»
14 years 2 months ago
Public Advertisement Broker Markets
Motivated by the growth of various networked systems as potential market places, we study market models wherein, owing to the size of the markets, transactions take place between l...
Atish Das Sarma, Deeparnab Chakrabarty, Sreenivas ...
WINE
2007
Springer
191views Economy» more  WINE 2007»
14 years 2 months ago
The Importance of Network Topology in Local Contribution Games
We consider a model of content contribution in peer-to-peer networks with linear quadratic payoffs and very general interaction patterns. We find that Nash equilibria of this gam...
Jacomo Corbo, Antoni Calvó-Armengol, David ...
STOC
2007
ACM
169views Algorithms» more  STOC 2007»
14 years 8 months ago
Proportional response dynamics leads to market equilibrium
One of the main reasons of the recent success of peer to peer (P2P) file sharing systems such as BitTorrent is its built-in tit-for-tat mechanism. In this paper, we model the band...
Fang Wu, Li Zhang
WINE
2005
Springer
122views Economy» more  WINE 2005»
14 years 2 months ago
Walrasian Equilibrium: Hardness, Approximations and Tractable Instances
We study the complexity issues for Walrasian equilibrium in a special case of combinatorial auction, called single-minded auction, in which every participant is interested in only ...
Ning Chen, Atri Rudra
EOR
2006
104views more  EOR 2006»
13 years 8 months ago
Financial networks with intermediation: Risk management with variable weights
: In this paper, we develop a framework for the modeling, analysis, and computation of solutions to multitiered financial network problems with intermediaries in which both the sou...
Anna Nagurney, Ke Ke