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Statistical experiment to test the adequacy of the pair relations by assessing the impact of securitization on the financial performance of Russian banks

Abstract

The purpose of this article is to show the role of statistical hypothesis when testing the significance of the results of statistical studies and formulating conclusions based on them. The paper broaches controversial issues related to the influence of the securitization operations (which are widely used in Russia in recent years as a tool to reduce risks) on the main financial indicators of banks’ activities. The authors argue that although the securitization, has proved its effectiveness in the implementation of large-scale government programs to attract capital into the infrastructure, it still carries some unforeseen problems for the banks, which become obstacles in their development. In the search for answers to these questions as a check on were put forward various research hypotheses on the impact of securitization on the financial performance of banks in the Russian Federation. The authors tested the hypothesis using nonparametric statistical tools: G criterion T test and Wilcoxon T-test (signed rank). Based on the conducted research it is concluded that securitization has an impact on the performance of banks by increasing their net income and improving the return on equity, however this result was observed only in highest rated banks, while smaller players in the lending market in the Russian Federation that do not have high credit ratings are not ready for effective implementation of securitization and it is move likely that it will not be beneficial for their performance. The authors demonstrate the possible consequences of errors frequently encountered in applied research, such as testing the null hypothesis without alternative data testing.

About the Authors

Olga E. Bashina
Moscow University for the Humanities
Russian Federation


Liliia V. Matraeva
Russian State Social University
Russian Federation


References

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Review

For citations:


Bashina O.E., Matraeva L.V. Statistical experiment to test the adequacy of the pair relations by assessing the impact of securitization on the financial performance of Russian banks. Voprosy statistiki. 2016;(9):30-37. (In Russ.)

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ISSN 2313-6383 (Print)
ISSN 2658-5499 (Online)