К прогнозированию рисков политической нестабильности в странах Африки на период до 2050 г.
Portfolio investment is quite topical activity among both institutional and private investors. In the article correlations of Russian shares returns, their impact on the overall portfolio risk, analysis technique of the parameters mentioned above on the base of a binary correlation matrix are examines, the positive aspects of the proposed instrument is evaluated.
Measuring indirect importance of various attributes is a very common task in marketing analysis for which researchers use correlation and regression techniques. We have listed and illustrated some common problems with widely used latent importance measures. A more theoretically sound approach – the Shapley Value decomposition – was applied to a rich data set of US internet stores. The use of store-level data instead of respondent-level data allowed us to reveal the factors, which are powerful in explaining, why some stores have higher rates of willingness to make repeat purchases than the others. By confronting the indirect importance and performance measures for three different internet stores, we have revealed strengths, weaknesses, attributes that the company should bring customers’ attention to and attributes improvement of which is not of a high priority.