UBS on active management: myth busters?
It has again been a very long time since my last post. Sorry again. But I have now decided that it might be fun to get involved in the ongoing discussion over the merits of active management, particularly since so much of it is self-serving nonsense — incidentally on both sides. UBS has now weighed […]
Risk adjustment as an excuse
Risk adjustment is a fundamental element of modern portfolio theory. Alpha is defined as the return left over after the impact of all sources of risk, including strategic biases, has been accounted for (see the examples in my series on alpha). But a positive historical alpha alone is not sufficient to conclude that a particular […]
Alpha in tactical asset allocation
It is easy to beat the benchmark of a balanced portfolio in the long run. All we have to do is systematically overweight the riskier asset classes to capture their higher risk premiums. This may add some volatility but will almost certainly lead to a better long-term performance. Many years ago, I suggested this approach […]
Alpha in single asset class portfolios
Active managers try to outperform their benchmark through various active bets. They obviously need to be skilled in order to be successful. But skill is not the only possible driver of active bets. Some will be the result of biases. As investors, we need to be able to untangle the impact of skill – alpha […]
Alpha – real and fake
A few weeks ago, a friend asked me what I thought about a recently published study, entitled “The value of the hedge fund industry to investors, markets and the broader economy”. Written by the Centre for Hedge Fund Research of the Imperial College in London, it is published by KPMG and the Alternative Investment Management […]
How to ensure poor performance
By Rolf on 10 November 2015
This “case study” is taken from a piece that I wrote for a client who found it too negative. It describes the way that many “active” equity portfolios are managed. It may seem like a caricature to some, unfortunately it is not. Thus, it is not surprising that so many fail to perform. Consider a […]
Posted in Active/passive management, Comments/ramblings | Tagged Alpha, Performance