Purpose – The purpose of this paper is to explore the roles of diversification, hedging, and a third risk-reduction process – “pacification” – in risk finance. Design/methodology/approach – After briefly reviewing the concepts of diversification and hedging, a simple mathematical...

Purpose – The paper aims to explore a risk-finance context in which less information may be preferable to more information. Design/methodology/approach – Insurance companies collect a variety of information on potential policyholders to support two fundamental components of risk...

Purpose – The paper aims to explore a risk-finance context in which less information may be preferable to more information. Design/methodology/approach – Insurance companies collect a variety of information on potential policyholders to support two fundamental components of risk...

Purpose – The purpose of this paper is to explore the roles of diversification, hedging, and a third risk-reduction process – “pacification” – in risk finance. Design/methodology/approach – After briefly reviewing the concepts of diversification and hedging, a simple mathematical...

Purpose – This editorial, the second of a two-part series, proposes a new measure of risk for analyzing highly non-normal (i.e. asymmetric and long-tailed) random variables in the context of both investment and insurance portfolios. The proposed measure replaces the p-norm-based definition of...

Purpose – In this two-part series, this paper seeks to consider certain intriguing aspects of randomness, the basic mathematical concept used to model financial risk and other unknown quantities in the physical world. Design/methodology/approach – Part 1 applies concepts from quantum physics...

Purpose – The purpose of this paper is to consider the problem of allocating responsibility for risk through a simple classroom vignette that illustrates some of the difficulties encountered in more complex real-world scenarios. Design/methodology/approach – After considering a number of ad...

Purpose – The development of alternative investment has not yet been accompanied by genuine consideration of the specific characteristics of the risks and returns of hedge funds with regard to the provision of information to investors. To fill the gap, in 2004 EDHEC launched an international...

Purpose – To consider why the law of large numbers does not play a more significant role in determining an insurer's financial leverage. Design/methodology/approach – Insurer-group data show that there is little relationship between an insurer's premium volume and its overall leverage (i.e....