A comprehensive description of the trading and statistical characteristics of VIX futures and their exchange-traded notes motivates our study of their benefits to equity investors seeking to diversify their exposure. We analyze when diversification into VIX futures is ex-ante optimal for...

The concepts of portfolio optimization and diversification have been instrumental in the development and understanding of financial markets and financial decision making. In light of the 60year anniversary of Harry Markowitz’s paper “Portfolio Selection,” we review some of the approaches...

A factor analysis-based approach for estimating high dimensional covariance matrix is proposed and is applied to solve the mean–variance portfolio optimization problem in finance. The consistency of the proposed estimator is established by imposing a factor model structure with a relative weak...

This paper examines the extent of financial integration in European equity markets before, during and after the adoption of the single currency on 1 January 1999. Two groups of European economies are examined. The first set comprises the Member States of the European Union (EU) that participated...

This paper examines price linkages among Asian equity markets in the period surrounding the recent Asian economic, financial and currency crises. Three developed markets (Hong Kong, Japan and Singapore) and six emerging markets (Indonesia, Korea, Malaysia, the Philippines, Taiwan and Thailand)...

In this paper we investigate short-term contrarian investment strategies in the Australian stock market using weekly data of those stocks comprising the All Ordinaries Index during the period 1994–2001. We find both the (Rev. Financ. Stud. 3 (1990) 175) equal-weighted strategy and a new...

The weekend effect is described as the tendency for Monday security returns to be low (or negative) compared to other days of the week. The weekend effect may not be exploited by trading individual stocks because of transactions costs. However, the institutional characteristics of the US-based...

A collection of eighteen articles have been purposely chosen to demonstrate the development of the original and significant contributions of my research over the period 1990 to 2008. Despite the relatively large number of articles, which cover a range of related issues, there is a surprisingly...