In this paper we study an optimal insurance problem within the mean–variance framework for the case when the insured and insurer hold heterogeneous beliefs about the loss distribution. The implicit ...

This is a preview. Log in through your library . Abstract This paper proves constructively the existence of optimal policies for maximum one-period mean-to-standard-deviation-ratio, negative ...

The mean-variance optimization suggested by Henry Markowitz represents a path-breaking work, the beginning of the so-called Modern Portfolio Theory. This theory has been criticized by some researchers ...

Investment and risk management lie at the heart of modern finance, blending sophisticated quantitative methods with strategic decision‐making to achieve robust portfolio performance under uncertainty.

Randall Lert, US-based chief portfolio strategist at the Russell Investment Group, has a worldwide network of portfolio managers and manager researchers at his fingertips. At the recent ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Somer G. Anderson is CPA, doctor of ...