Research Question/Issue - The aim of this article is to analyse the different measures taken by the G7 and G20 leaders to face this crisis and to show whether such decisions represent a return to protectionism. Research Findings/Insights - We proposed the introduction of a new economic system...

Purpose - This article aims to present a new strategy of portfolio selection.Design/methodology/approach - After having made a comparative survey of different strategies of portfolio selection adopted by portfolio managers in Tunisia, we propose a new strategy, which we call weighted...

Momentum strategies deliver positive profits in a variety of market and asset classes with one glaring exception - Japan. The failure of momentum in Japan has led some to call into question momentum's viability, suggesting that perhaps momentum's success elsewhere may be the result of data...

This paper investigates the relation between portfolio concentration and the performance of global equity funds. Concentrated funds with higher levels of tracking error display better performance than their more broadly diversified counterparts. We show that the observed relation between...

In establishing the foundation of their investment process, global equity investors typically adopt a framework along geographic and/or industry dimensions. The chosen framework is then applied to the whole investment process including alpha generation, portfolio construction, and risk...

We conduct efficiency test using the conventional method in Chordia, Roll, and Subrahmanyam (2005) and the wavelet analysis. For the FTSE-100 futures data from January 2001 through December 2004, both approaches identify that, conditional on order imbalance, it takes about 10 minutes for the...

This study examines seven variables for Global Tactical Sector Allocation (GTSA) purposes. We construct 10 global sector indices over the extended sample period from 1970 to 2008. This enables us to test previously documented variables on a global basis and to examine whether they continued to...

Using a novel multivariate microstructure model and time varying estimation framework we analyse the change in the information structure of the segmented Shanghai A and B share listed stocks after a significant set of regulatory reforms in 2001, nicknamed the 'year of regulation' by...

We introduce a new discounted cash flow model which integrates the diversification effect of multi-business firms. We face two challenges. One is examining how different degrees of diversification can affect firm value due to risk reduction, and the other is modeling segment-specific cash flows...

The present study tests the effect of overconfidence sentiment on the evolution of the trade volume. The results seem to confirm the overconfidence assumption. The historical series of success incite Tunisian investors to act in an aggressive way to increase their trade volume. They...