An on-line portfolio selection strategy with transaction costs is presented. It ensures investors to achieve at least the same exponential growth rate of wealth as the best stock for a long term. This equipped with a new prediction method based on “cross rates” for price relative sequences...

The intercept of standard Single Index and Conditional Single Index models, the so-called alpha, is often used to evaluate the long-run performance of managed portfolios. However, this measure is not always appropriate for detecting the presence and impact of active management strategies. Based...

1. Introduction -- 2. The impact of index design on asset management.-3. Pros and cons of Active management -- 4. Searching for market drivers: Factor investing -- 5. Hybrids increasingly blurring active/passive line -- 6. The need for a change: Sustainable finance -- 7. The next challenge: ESG...

This paper considers the task of forming a portfolio of assets that outperforms a benchmark index, while imposing a constraint on the tracking error volatility. We examine three alternative formulations of active portfolio management. The first one is a typical setup in which the fund manager...

This paper considers the task of forming a portfolio of assets that outperforms a benchmark index, while imposing a constraint on the tracking error volatility. We examine three alternative formulations of active portfolio management. The first one is a typical set up in which the fund manager...

This paper examines the investment performance of active Australian bond funds and the impact of investor fund flows on portfolio returns. Security selection and market timing performance are evaluated using both unconditional models and conditional-performance evaluation techniques that account...

Mutual fund managers face increasing competition and have incentives to quickly reallocate their portfolios in order to achieve the best risk-adjusted return. However, portfolio allocation is costly, as trading, administrative, and information costs all lower returns after management fees....