Yu. Nisnevich, National Research University Higher School of Economics, 20 Myasnitskaya Str., Moscow, 101000, Russian Federation; Peoples’ Friendship University of Russia, 6 Miklukho-Maklaya Str., Moscow, 117198, Russian Federation (Julius@comtv.ru).
D. Stukal, National Research University Higher School of Economics, 20 Myasnitskaya Str., Moscow, 101000, Russian Federation (email@example.com).
Abstract. This paper addresses the role of corruption in political processes today as well as problems of its measurement with Corruption Perception Index (TI) and the Control of Corruption Index (WB) as the key measures. We propose a variant of the methodological solution as concerns the problem of validation strategy in cases, where the measures under study are few and have correlated measurement errors. Our proposal is based on a combination of the correlation, principal components and regression analysis. Using the proposed methodology we find that both indices are highly consistent with one another. At the same time there are differences in consistency degree in the countries with a high and a low level of corruption. We conclude with some suggestions about usage of these indices in comparative analysis of corruption.
Keywords: measuring corruption, validity of corruption indices, corruption perception index, corruption control index
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