Output subsidy of renewable energy power industry under asymmetric information

Output subsidy of renewable energy power industry under asymmetric information
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信息不对称下可再生能源发电产业产出补贴

DOI:
10.1016/j.energy.2016.10.089
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发表时间:
2016-12
期刊:
影响因子:
9
通讯作者:
聂普焱
聂普焱
中科院分区:
工程技术1区
文献类型:
--
作者:
杨东晓;陈子月;聂普焱

文献摘要

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政府给予生产补贴是发展可再生能源企业的常见做法。本文建立了一个包括可再生能源企业和传统能源企业在内的基于完全信息和不对称信息的市场的双寡头垄断模型。定义了广义消费者剩余(GCS)函数,给出了政府最大化广义消费者剩余的假设。为了准确识别企业的成本,政府给出了激励相容约束。首先,本文发现在完全信息条件下,对可再生能源企业的最优补贴与其成本正相关。其次,在信息不对称的情况下,企业高成本的概率越大,最优补贴值越高。第三,当对不同成本的可再生能源企业的补贴差异太大或太小时,可再生能源企业可能会隐瞒成本,以实现利润最大化。最后,提出了一种基于激励相容约束的企业诚信诱导机制。在这种情况下,本文建议政府应选择筛选企业的成本信息或将广义消费者剩余最大化作为首选目标。
Subsidy given by the government for production is common to develop renewable energy enterprises. This article establishes a duopoly model including renewable energy enterprises and traditional energy enterprises based on market with both complete information and asymmetric information. A generalized consumer surplus (GCS) function is defined, and the assumption that the government maximizes generalized consumer surplus is provided. To identify the cost of enterprises precisely, the government gives incentive compatibility constraint. Firstly, this article found that optimal subsidy for renewable energy enterprises positively correlates with its cost under complete information. Secondly, under asymmetric information, the optimal subsidy values increase with the probability of firms with high costs. Thirdly, renewable energy enterprises may hide their cost to maximize their profits when the difference between subsidies for renewable energy enterprises with disparate cost is too large or too small. Finally, a mechanism to induce enterprises' truth based on incentive compatibility constraints is offered. Under this circumstance, a suggestion is provided that government should choose to screen the cost information of the enterprises or to maximize generalized consumer surplus as the preferred target.
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