In a low-rate environment, government bonds may not mitigate equity risk as well as they have in the past. This structural shift has profound implications for asset allocation. Historically, the expected return of government bonds has been positive, and they have mitigated downside risk. In...

Investors have long debated what fraction, if any, of their portfolio's currency exposure they should hedge. Although the answers cover a broad range, often with dubious rationale, most informed investors agree that the solution should be based on mean-variance optimization, deployed either to...