Purpose The purpose of this paper is to investigate whether Islamic stock indexes outperform conventional stock indexes, in terms of informational efficiency and risk, during the recent financial instability period. Design/methodology/approach The paper uses a state space model combined with a...

This paper examines whether research and development (R&D) intensity affects the firm's financing decisions. We use a sample of European firms over the period 2002-2011. We argue that R&D asset has three fundamentals characteristics that make it different from ordinary investment and constrain...

This paper aims to test the international transmission of stock market volatility and the risk of contagion among a sample of emerging and developed markets through a methodology rarely used in this context. This methodology, developed by Bai and Perron (1998, 2003), is based on the...

The main purpose of this paper is to compare empirically four Value-at-Risk simulation methods, namely, the Variance-Covariance, the Historical Simulation, the Bootstrapping and the Monte Carlo. We tried to estimate the VaR associated to three currencies and four currency portfolios in the...