9Anchada Charoenrook & Hazem Daouk, 2003, "The world price of short selling", Working paper, The Owen Graduate School of Management, Vanderbilt University, pp. 1 - 49.
10Arturo Bris, William N. Goetzmann & Ning Zhu, 2003, "Efficiency and the Bear : Short Sales and Markets a- round the World" ( http ://papers. ssrn. com/sol3/papers, cfm? abstract_id = 357800).