ENThe initial sources of competitive strength of economics and firms as well as scope of industrial policy are analyzed exploring Porter’s model. This competitiveness analysis is used as adescriptive framework in order to clarify the importance of different factors of industial competitiveness and growth and to determinate competitive advantages. According to this assumption affected by national culture, institutional structure and macroeconomic conditions, the competitiveness of firms can be presented as outcome of four elements: factor conditions, demand conditions, related and supporting industries, firm strategy, structure and rivalry.