Formy rynku i konkurencji we wspolczesnej gospodarce. Ujecie teoretyczne

In the article author analyses the subjective structures of markets (as abstract notion). Bases of these structures are quantitative criteria. The main mechanismvwhich changes these structures is the non-perfect competition. Twenty years ago M.E. Porter, the famous American economist, was formulated a concept of new stage of market rivalry. Above the article, the author makes a critical remark on Porterís concept of market competition.