The Determinants of Foreign Exchange Hedging in Alternative Investment Market Firms
Andrew Marshall, Helena Pinto, Martin Kemmitt
European Journal Of Finance, vol. 19, 2013, p. 89-111.

Impact of News Announcements on the Foreign Exchange Implied Volatility
Helena Pinto, Andrew Marshall, Taleh Musayev, Leilei Tang
Journal Of International Financial Markets, Institutions And Money, vol. 22, 2012, p. 719-737.