’ stock returns. Theoretical aspects of macroeconomic variables impact on stock returns are presented in the first part of the … impact of 7 macroeconomic factors on 16 sectors’ stock returns for the period from March 2002 to February 2011 on monthly … reveal that macroeconomic factors affect different sectors’ stock returns in different manner. Furthermore the results …

forecasting algorithms. Often there are questions how to choose the algorithm for prediction and how to prepare for work with a … particular prediction task. This paper describes an experimental model which allows to assess and accelerate the re-analysis of … different algorithms for prediction tasks. The model is based on the DMX, SQL templates, and assessment methods for analysis of …