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Forward curves, scarcity and price volatility in oil and natural gas markets

Geman, Hélyette; Ohana, Steve - In: Energy economics 31 (2009) 4, pp. 576-586

Persistent link: https://www.econbiz.de/10008891801

Analysis of model implied volatility for jump diffusion models: Empirical evidence from the Nordpool market

Ohana, Steve - In: Energy economics 32 (2010) 2, pp. 302-313

Persistent link: https://www.econbiz.de/10008378547

Are Leveraged Firms Focused on the Short-Run? Evidence from Health and Safety Programs in U.S. Firms

Moussu, Christophe; Ohana, Steve - 2012

Despite a well-documented profitability, health and safety (H&S) programs remain an uncommon investment among large U.S. companies. This article is the first to demonstrate a negative link between the financial leverage of firms and the implementation of H&S programs. This effect is robust to...

Persistent link: https://www.econbiz.de/10014162773

Time-consistency in managing a commodity portfolio : a dynamic risk measure approach

Geman, Hélyette (contributor); Ohana, Steve (contributor) - 2005

Persistent link: https://www.econbiz.de/10003376253

Time-consistency in managing a commodity portfolio : a dynamic risk measure approach

Geman, Hélyette; Ohana, Steve - In: Journal of banking & finance 32 (2008) 10, pp. 1991-2005

Persistent link: https://www.econbiz.de/10003778564

Mean-reversion and structural breaks in crude oil, copper, and shipping

Geman, Hélyette; Ohana, Steve - In: Risk management in commodity markets : from shipping to …, (pp. 183-205). 2008

Persistent link: https://www.econbiz.de/10003787698

Forward curves, scarcity and price volatility in oil and natural gas markets

Geman, Hélyette; Ohana, Steve - In: Energy economics 31 (2009) 4, pp. 576-585

Persistent link: https://www.econbiz.de/10003867821

Revisiting the link between political and financial crises in Africa

Bertin, Sara; Ohana, Steve; Strauss-Kahn, Vanessa - In: Journal of African economies 25 (2016) 3, pp. 323-366

Persistent link: https://www.econbiz.de/10011522777

Do leveraged firms underinvest in corporate social responsibility? : evidence from health and safety programs in U.S. firms

Moussu, Christophe; Ohana, Steve - In: Journal of business ethics : JOBE 135 (2016) 4, pp. 715-729

Persistent link: https://www.econbiz.de/10011498620

Does the impact of exchange-traded funds flows on commodities prices involve stockpiling as a signature? : an empirical investigation

Ohana, Steve; Huang, Xiaoying - In: The journal of energy markets 11 (2018) 2, pp. 37-60

Persistent link: https://www.econbiz.de/10011999489