摘要
完全竞争电力市场中,发电公司按机组边际成本报价。而在实际的寡头电力市场,发电公司利用其市场力操纵市场,常常采用抬高报价和持留容量这两种策略。利用经济学利润最大化原理,对这两种策略进行定量分析。实例表明,都会使电价飞升,利润增大。文章的分析为发电公司确定最优竞价提供了理论指导,同时为电力监管部门平抑市场力的作用提供了理论依据。
Generating company bid on marginal cost in a perfect power market,but manipulate market with the use of market power in a real oligopoly market.The mark-up and capacity withholding bidding strategy for maximizing the profit are analyzed in this paper. The simulative results show that both strategies can result in price spikes and higher profit. This paper provides a way of optimal bidding and lays a theoretical foundation for market monitor to mitigate market power.
出处
《华中电力》
2005年第2期5-7,38,共4页
Central China Electric Power
基金
湖南省自然科学基金资助课题(01JJY2051)
关键词
电力市场
市场力
抬高报价策略
容量持留策略
electricity market
market power
mark-up strategies
capacity withdrawal strategies