含有图结构约束的稀疏最小方差资产组合模型

doi:10.16381/j.cnki.issn1003-207x.2015.09.008

中国管理科学 ›› 2015, Vol. 23 ›› Issue (9): 65-70.doi: 10.16381/j.cnki.issn1003-207x.2015.09.008

含有图结构约束的稀疏最小方差资产组合模型

苏治^1,3, 秦磊^1,2, 方彤¹

1. 中央财经大学统计与数学学院, 北京 100081;
2. 对外经济贸易大学统计学院, 北京 100029;
3. 中国人民大学国际货币研究所, 北京 100872

收稿日期:2014-04-21 修回日期:2015-01-12 出版日期:2015-09-20 发布日期:2015-09-28
作者简介:苏治(1977-),男(汉族),吉林长春人,中央财经大学统计与数学学院副教授,中国人民大学国际货币研究所兼职研究员,研究方向:宏观经济、金融市场与量化投资
基金资助:
国家自然科学基金面上项目(71473279);教育部“新世纪优秀人才支持计划”;中央财经大学第二批青年科研创新团队项目;教育部人文社会科学研究青年基金项目(10YJC790220);教育部博士点基金课题(20110016120001);2012年北京市社科联青年社科人才资助项目;中央财经大学学科建设211经费支持

Merger Efficiency Evaluation of Two-Stage Production System Based on Non-Cooperative Game Theory

SU Zhi^1,3, QIN Lei^1,2, FANG Tong¹

1. School of Statistics and Mathematics, Central University of Finance and Economics, Beijing 100081, China;
2. School of Statistics, University of International Business and Economics, Beijing 100029, China;
3. International Monetary Institute, Renmin University of China, Beijing 100872, China

Received:2014-04-21 Revised:2015-01-12 Online:2015-09-20 Published:2015-09-28

摘要/Abstract

摘要： 图结构是广泛用于描述生物学信息的一个重要方法。考虑到不同资产之间的相互影响作用,引入图结构来描述高维资产之间包含的信息,建立了一种基于图结构约束的最小方差资产组合模型,并且提供了一种有效的坐标下降优化算法。研究结果表明,基于图结构约束的资产组合模型在收益率、波动率和变量选取方面优于传统的资产组合模型,该模型对金融机构的投资决策有重要的实际意义。

关键词: 最小方差资产组合模型, 图结构, 稀疏解

Abstract: Minimum variance portfolio models mentioned by traditional literature were all brought out by exerting different penalties, and these models always ignored interactions between high-dimensional assets. When variables highly correlated, Lasso could not get suitable variables. So we referred to Li Caiyan and Li Hongzhe's way that combined graph structure penalty with MVP model with L₁ penalty. And the correlations between assets by graph structure are described in order to get assets more accurately. The purpose of the paper is to provide theoretical and decisive inferences. The MVP model with graph structure is showed below: Minimize ω^T∑ω+λ₁‖ω‖₁+λ₂ω^TLω Subject to ω^T1_p=1 For concise computation, we made λ=λ₁+λ₂ and θ=λ₁/λ₁+λ₂, so the problem could be transmitted to this one: Minimize ω^T∑ω+λθ‖ω‖₁+λ(1-θ)ω^TLω Subject to ω^T1_p=1 When ∑、L、λ and θ are given, it is the model that we fully focused on. Some properties of solves are given under the structure of regulated methods. With combinations between an coordinate algorithm and improvement of Yen, an efficient algorithm is also brought about.A-shares data of Shanghai Stock Market is used to conduct empirical analysis. Time varied from Jan.4th to Mar.29th in 2013. The data contained 56 observations and 818 stocks. The empirical analysis showed that: (1) The model with graph structure is better than other models in returns. (2) The model with graph structure is feasible in returns. (3) The sharp ratio of Graph1-MVP is positive, and the sharp ratio of Graph3-MVP is the highest among all models with negative ratio. (4) The probability of short is comparable small and this result could be due to the equation constriction that sum of weights is 1. (5)L₁-MVP and Graph1-MVP could get the least number of assets. In summary, It is concluded that MVP model with graph structure can be advantageous in choose of asset. In the future, we could do further on the penalty of MVP model, or different penalties in other models could be considered to get better portfolios.

Key words: MVP model, graph structure penalty, sparse portfolio

中图分类号:

F224.0

苏治, 秦磊, 方彤. 含有图结构约束的稀疏最小方差资产组合模型[J]. 中国管理科学, 2015, 23(9): 65-70.

SU Zhi, QIN Lei, FANG Tong. Merger Efficiency Evaluation of Two-Stage Production System Based on Non-Cooperative Game Theory[J]. Chinese Journal of Management Science, 2015, 23(9): 65-70.

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含有图结构约束的稀疏最小方差资产组合模型

Merger Efficiency Evaluation of Two-Stage Production System Based on Non-Cooperative Game Theory

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