We employ a bivariate VAR-GARCH model of Ling and McAleer (2003) to examine the volatility transmission between oil prices and stock market sectors in the United States. We also compute the optimal weights and hedge ratios for oil-stock portfolio holdings and show how they can be used to build...

In this paper we use the Markov regime-switching model to investigate the volatility behavior of six Mediterranean stock markets (France, Spain, Greece, Egypt, Tunisia, and Turkey) over the turbulent period 1995-2010. Our results show strong evidence of regime shifts in each of these markets. We...

This article assesses the impact of real energy prices on the consumption of different energy sources in Tunisia. We estimate the short-run and long-run energy demand elasticities over the period 1980-2004, where energy demand is specified by a simple partial adjustment model. Our results show...

This paper examines the impact of corporate diversification and firm size on the value creation over the 1997-2005 period for twenty-five non-banking firms listed on Tunis Stock Exchange. Our results confirm previous studies in that shares of diversified firms sell at a discount. Moreover, value...

This paper examines the impact of corporate diversification and firm size on the value creation over the 1997-2005 period for twenty-five non-banking firms listed on Tunis Stock Exchange. Our results confirm previous studies in that shares of diversified firms sell at a discount. Moreover, value...

In this paper, we show how capital structure decisions made by non-financial firms listed in the Tunis Stock Exchange are affected by the predictions of the so-called market timing theory. Using a set of some relevant variables which reflect the market-timing signals, the firm fundamentals, and...

This paper introduces the fractionally integrated Bi-parameter smooth transition autoregressive model (FI-BSTAR model) as an extension of BSTAR model proposed by Siliverstovs (2005) and the fractionally integrated STAR model (FI-STAR model) proposed by van Dijk et al. (2002). Our FI-BSTAR model...