The objective of this paper is to investigate the behavior of the time varying volatility in eleven MENA countries' stock market using a three-state Markov regime-switching model over the period from October 30, 2006 to October 21, 2011. We find that MENA stock market volatility can be...

This article attempts to identify the best model of the short term interest rates that can predict its stochastic process over time.We studied eight different models of interest rates in the short term. The choice of these models was the aim of analyzing the relevance of certain specifications...