Purpose: This paper aims to examine the frequency of co-movements and asymmetric dependencies between bitcoin (BTC), gold, Brent crude oil and the US economic policy uncertainty (EPU) index. Design/methodology/approach: The authors use a wavelet approach and a quantile-on-quantile regression...

This paper employs a VAR-GARCH model to investigate the return links and volatility transmission between the S&P 500 and commodity price indices for energy, food, gold and beverages over the turbulent period from 2000-2011. Understanding the price behavior of commodity prices and the volatility...

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 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...