We’ve had a heckuva busy year at Epsilon Theory, so to ring out 2017 I thought it might be helpful to distribute a master list of our publications over the past 12 months. We’re long essay writers trying to make our way in a TLDR world, so even the most avid follower may well need a map!
In a two-body market, the interactions of fundamental data and prices are generally predictable. In a three-body market, the epsilon — investor behaviors in response to narratives — exerts a powerful gravitational force which must be considered when building a portfolio.
Benjamin Graham famously said that the market is a voting machine in the short run, and a weighing machine in the long run. This is a right-sounding idea. It is also wrong. Behavior matters over every horizon.
Diversification is clearly one of the things that matter. Unfortunately, most investors pursue the meme of diversification! instead of the real thing, and end up with a false sense of security and inefficiency.
Part 1 of this note highlighted the supremacy of the risk decision in portfolio construction. In this follow-up, Rusty observes that many investors may be assuming that the natural risk of asset classes is “right” for them.
For the bored (read: profitable) investor, the bias to action is a constant threat. As we become more passive in our strategies, the moral license to ‘do something’ is exaggerated, and must be curtailed.