Does leverage affect labour productivity? : a comparative study of local and multinational companies of the Baltic countriesAvarmaa, Mari; Hazak, Aaro; Männasoo, KadriJournal of business economics and management2013 / p. 252-275 : ill Does leverage affect labour productivity? : a comparative study of local and multinational companies of the Baltic countriesAvarmaa, Mari; Hazak, Aaro; Männasoo, KadriProceedings of the 8th International Conference on Applied Financial Economics. Vol. 1, Samos Island, Greece, 30 June - 02 July 20112011 / p. 329-343 : ill