@misc{Liashenko_Olena_I._Two-level_2009, author={Liashenko, Olena I.}, year={2009}, rights={Wszystkie prawa zastrzeżone (Copyright)}, description={Prace Naukowe Uniwersytetu Ekonomicznego we Wrocławiu = Research Papers of Wrocław University of Economics; 2009; Nr 59, s. 287-293}, publisher={Publishing House of the Wrocław University of Economics}, language={eng}, abstract={Production and distribution of products in economy are connected by balance correlations which make a basis of all economic-mathematical models of process of reproduction. Any macromodel of economy as complete developing system can be considered as some set of macrocorrelations relative to macrovariables, that is a result of aggregation of the certain microcorrelations. Therefore it is urgent to develop the theory of aggregation of the economic descriptions, as the methods of aggregating are the tool of a substantiation of mathematical models of economy. So, the opening by W.W. Leontief of relative stability of proportions of interindustry inputs promoted distribution of models of economic growth. (fragment tekstu)}, type={artykuł}, title={Two-level aggregation of Leontief model "input-output"}, }