Abstract
The problem of stability of connections of stock returns over time is considered. This problem is formulated as a multiple testing problem of homogeneity of covariance matrices. A statistical procedure based on Box’s M-test and Bonferroni correction is proposed. This procedure is applied to French and German stock markets.
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Acknowledgements
The work of Koldanov P.A. was conducted at the Laboratory of Algorithms and Technologies for Network Analysis of National Research University Higher School of Economics. The work is partially supported by RFHR grant 15-32-01052.
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Voronina, M.A., Koldanov, P.A. (2017). Stability Testing of Stock Returns Connections. In: Kalyagin, V., Nikolaev, A., Pardalos, P., Prokopyev, O. (eds) Models, Algorithms, and Technologies for Network Analysis. NET 2016. Springer Proceedings in Mathematics & Statistics, vol 197. Springer, Cham. https://doi.org/10.1007/978-3-319-56829-4_12
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DOI: https://doi.org/10.1007/978-3-319-56829-4_12
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