Nash Equilibrium to Competitive Equilibrium Mechanisms Design: Subsidization and Punishment

Due to the small number of participants in realistic cases, the Nash equilibrium generated by an oligopolistic market is more appropriate for depicting the actual energy market than the competitive equilibrium generated by a competitive market. However, the market efficiency decreases when the Nash...

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Main Authors: Kaiying Lin, Beibei Wang, Bike Xue, Shuhai Feng
Format: Article
Language:English
Published: IEEE 2021-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9400829/
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author Kaiying Lin
Beibei Wang
Bike Xue
Shuhai Feng
author_facet Kaiying Lin
Beibei Wang
Bike Xue
Shuhai Feng
author_sort Kaiying Lin
collection DOAJ
description Due to the small number of participants in realistic cases, the Nash equilibrium generated by an oligopolistic market is more appropriate for depicting the actual energy market than the competitive equilibrium generated by a competitive market. However, the market efficiency decreases when the Nash equilibrium is used rather than the competitive equilibrium because of the strategic behaviors of the participants. In this paper, we propose two new mechanisms (subsidization and punishment) for each generator, both of which drive the Nash equilibrium to the competitive equilibrium in heterogeneous oligopolistic energy markets with a uniform pricing mechanism. Under the two proposed mechanisms, the equivalence of the Nash equilibrium and the competitive equilibrium is strictly proven. Furthermore, we apply a distributed algorithm to numerically confirm that both mechanisms perfectly eliminate the market efficiency loss. Finally, these two mechanisms are applied to the energy market under three different stages of development. Simulation results illustrate that the additional costs caused by the mechanisms converge to a low value and that the subsidization mechanism slightly outperforms the punishment mechanism.
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spelling doaj.art-7f27ff19c1dc4659b1c43ba70a8b8b912022-12-22T03:47:31ZengIEEEIEEE Access2169-35362021-01-019632196322810.1109/ACCESS.2021.30726209400829Nash Equilibrium to Competitive Equilibrium Mechanisms Design: Subsidization and PunishmentKaiying Lin0https://orcid.org/0000-0002-6753-2840Beibei Wang1https://orcid.org/0000-0002-1030-3756Bike Xue2Shuhai Feng3Department of Electrical Engineering, Southeast University, Nanjing, ChinaDepartment of Electrical Engineering, Southeast University, Nanjing, ChinaChina Electric Power Research Institute, Nanjing, ChinaChina Electric Power Research Institute, Nanjing, ChinaDue to the small number of participants in realistic cases, the Nash equilibrium generated by an oligopolistic market is more appropriate for depicting the actual energy market than the competitive equilibrium generated by a competitive market. However, the market efficiency decreases when the Nash equilibrium is used rather than the competitive equilibrium because of the strategic behaviors of the participants. In this paper, we propose two new mechanisms (subsidization and punishment) for each generator, both of which drive the Nash equilibrium to the competitive equilibrium in heterogeneous oligopolistic energy markets with a uniform pricing mechanism. Under the two proposed mechanisms, the equivalence of the Nash equilibrium and the competitive equilibrium is strictly proven. Furthermore, we apply a distributed algorithm to numerically confirm that both mechanisms perfectly eliminate the market efficiency loss. Finally, these two mechanisms are applied to the energy market under three different stages of development. Simulation results illustrate that the additional costs caused by the mechanisms converge to a low value and that the subsidization mechanism slightly outperforms the punishment mechanism.https://ieeexplore.ieee.org/document/9400829/Efficiency lossNash equilibriumcompetitive equilibriumenergy market
spellingShingle Kaiying Lin
Beibei Wang
Bike Xue
Shuhai Feng
Nash Equilibrium to Competitive Equilibrium Mechanisms Design: Subsidization and Punishment
IEEE Access
Efficiency loss
Nash equilibrium
competitive equilibrium
energy market
title Nash Equilibrium to Competitive Equilibrium Mechanisms Design: Subsidization and Punishment
title_full Nash Equilibrium to Competitive Equilibrium Mechanisms Design: Subsidization and Punishment
title_fullStr Nash Equilibrium to Competitive Equilibrium Mechanisms Design: Subsidization and Punishment
title_full_unstemmed Nash Equilibrium to Competitive Equilibrium Mechanisms Design: Subsidization and Punishment
title_short Nash Equilibrium to Competitive Equilibrium Mechanisms Design: Subsidization and Punishment
title_sort nash equilibrium to competitive equilibrium mechanisms design subsidization and punishment
topic Efficiency loss
Nash equilibrium
competitive equilibrium
energy market
url https://ieeexplore.ieee.org/document/9400829/
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AT bikexue nashequilibriumtocompetitiveequilibriummechanismsdesignsubsidizationandpunishment
AT shuhaifeng nashequilibriumtocompetitiveequilibriummechanismsdesignsubsidizationandpunishment