PT Journal AU Madlenakova, L SO Doprava a spoje PY 2007 BP 65 EP 72 VL 3 IS 1 WP https://tac.uniza.sk/artkey/das-200701-0008.php SN 13367676 AB The paper talks about problemacy of telecommunication operator's position assessment on a world market. The paper includes position analysis of certain operators on a world market according to telecommunication service income and near profit. Comparing the selected years of operators, the evaluation of telecommunication market dynamics for a longer period and there is also a concentration level in telecommunication branch settled according to Herfindahl - Hirschman's index. ER