A new energy model to capture the behavior of energy price processes

A new energy model to capture the behavior of energy price processes
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捕捉能源价格过程行为的新能源模型

DOI:
10.1016/j.econmod.2012.05.009
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发表时间:
2012-09
期刊:
影响因子:
4.7
通讯作者:
Weilin Xiao
Weilin Xiao
中科院分区:
经济学2区
文献类型:
--
作者:
Weijun Xu;Qi Sun;Weilin Xiao

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针对能源价格时有模糊波动的特点,提出了一种既考虑均值回复行为又考虑长记忆性的新能源模型。由于该模型的离散时间参数估计问题在预报推理中起着核心作用,因此对离散观测的分数Ornstein-Uhlenbeck过程的未知参数估计问题进行了研究。并给出了这些估计的渐近性质。数值仿真结果验证了理论分析的正确性,表明了该方法的有效性。为了说明如何在现实环境中应用我们的方法,本文给出了对中国能源即大庆原油的实证研究。与真实数据相比,实证结果似乎是合理的。
Owing to the vague fluctuation of energy prices from time to time, a new energy model, which considers both the mean-reverting behavior and the long memory property, is proposed in this paper. Since the problem of estimating parameters, in discrete time for this model, plays a central role in forecast inference, the problem of estimating the unknown parameters has been dealt with for the fractional Ornstein–Uhlenbeck process observed discretely. The asymptotic properties of these estimates are also provided. The numerical simulation results confirm the theoretical analysis and show that our method is effective. To show how to apply our approach in realistic contexts, an empirical study of energy in China, namely Daqing crude oil, is presented. The empirical results seem reasonable when compared to the real data.
DOI: 10.1016/j.econmod.2011.03.016
发表时间: 2011-07
期刊: Economic Modelling
影响因子: 4.7
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