"Scientific research" Almanac

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  OPTIMIZING THE EFFECTIVENESS OF DIRECT MARKETING CAMPAIGNS USING DATA MINING

  In this article several data mining models, together with the conventional RFM model, are designed and applied for optimizing the effectiveness of direct marketing campaigns. Regardless of its popularity as a means for generating “optimal” target lists, RFM analysis is far from optimal solution. Applied on empirical data for one-year activities of ... In this article several data mining models, together with the conventional RFM model, are designed and applied for optimizing the effectiveness of direct marketing campaigns. Regardless of its popularity as a means for generating “optimal” target lists, RFM analysis is far from optimal solution. Applied on empirical data for one-year activities of an e-shop of electronic and home appliance technique, all data mining models surpass RFM model in predictive performance.

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  BUSINESS CYCLE SYNCHRONIZATION OF THE EUROPEAN UNION MEMBER-STATES: A STUDY OF THE ECONOMIC CONVERGENCE WITHIN THE EU

  The aim of this paper is to investigate the level of business cycle synchronization of the EU member states. Three macroeconomic indicators within EU members are studied – GDP, unemployment and inflation. The methodology of the study is based on two parallel econometric techniques – Baxter-King and Hodrick-Prescott filters. Different levels of ... The aim of this paper is to investigate the level of business cycle synchronization of the EU member states. Three macroeconomic indicators within EU members are studied – GDP, unemployment and inflation. The methodology of the study is based on two parallel econometric techniques – Baxter-King and Hodrick-Prescott filters. Different levels of synchronization are distinguished within the estimated indicators – high s synchronization of GDP, moderate of unemployment and low synchronization of inflation. Different levels of synchronization are identified between the old and new members of the EU.

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  OPTIMISATION OF THE PRODUCTION COSTS – PRECONDITION FOR STABILITY AND COMPETITIVE POWER OF THE GRAIN PRODUCTION

  Grain production is a major sub-sector of Bulgarian agriculture and occupies an important place in Bulgarian economy. At national, regional and global scale, grain production will be of growing importance in relation to feeding the population and the production of biofuels. The economic and statistical survey of production costs in grain ... Grain production is a major sub-sector of Bulgarian agriculture and occupies an important place in Bulgarian economy. At national, regional and global scale, grain production will be of growing importance in relation to feeding the population and the production of biofuels. The economic and statistical survey of production costs in grain production gives opportunity to find reserves to reduce them to their optimal values, to reduce the unit cost and to increase the profitability of grain production. Part of the information used in the study is taken from official statistical publications, and the main body of data on production costs of grain production has been gathered from a questionnaire conducted among grain producers from Veliko Turnovo district. A number of statistical research techniques have been used in the present study – graphical and tabular methods, correlation analysis, representative method, average and relative values, index factor analysis and other.