In those long-forgotten days when high quality bond yields were close to (or even below) zero, most investors longed for a return to a ‘normal’ environment. When a staple element of most multi-asset portfolios would once again provide an adequate return. For a time, it seemed that this day would never arrive and we would be in a permanent state of ‘return free risk’. Yet slowly and then suddenly everything changed. Bonds once again offered reasonable yields and provided genuine competition to other asset classes. And how did investors react to this much desired shift? By lamenting the losses incurred by bonds and questioning whether they are too risky to play a role as a conservative element of a diversified portfolio. Sometimes we are just never satisfied.

This shift in perspective on bonds highlights a major problem with investor behaviour. We have a tendency to make plans for future decisions – we will buy bonds when yields are higher or invest in equities after the next correction – but neglect to consider how we will actually feel when that time arrives. For bond yields to move higher or equities to get cheaper something has to happen, and that something is likely to make us not want to do it.

It is easy to form implementation intentions about the future, but far more difficult to apply them when we get there. This trait is apparent across all sorts of choices, not just investing – I will start going to the gym next week.

There are two major reasons for this behaviour:

1) Our future self is a far better person than our present self: Our future self is an incredible human being, unimpeachable and unaffected by any of the issues we are experiencing right now.

2) Things will be different in the future: There will be problems in the future – reasons not to act – that will only become apparent once we get there. From here it looks like clear water ahead, unfortunately that won’t be the case.

The second element is crucial for investors who make bold claims about waiting for better entry points into assets. These only arrive because developments shift the prevailing sentiment – they are a reaction to bad news – we will not be immune to this negativity.

When inflation was a non-existent problem and bonds had been in a bull market for decades, of course we hoped for an opportunity to buy in at higher yields – we just didn’t want anything else to change. Bonds paying nothing weren’t attractive, but perhaps the environment felt more comfortable.

We love the idea of buying cheaper assets, but blissfully ignore the pain required to get there and the difficulty of actually acting when they do.

Our present self is likely to staunchly disagree with our best laid plans when it finally comes to meet our future self asking: “what were you thinking, can’t you see how terrible everything is?”

How can we deal with our likely inability to enact future investment actions? There are several options:

– We shouldn’t make plans based on prices, yields or valuations; but think explicitly about what might happen for these to occur. These do not have to be precise forecasts about the future (because they will be wrong) but at least set reasonable expectations about the context in which a decision is likely to be made. If we want to invest in high yield bonds when spreads are historically wide, that will likely mean doing so in the midst of a deep recession, high unemployment and elevated default rates. Remember, bad things have to happen to get there. We should ask ourselves in advance – what is it that will make us not want to do this?

– Systematizing future actions is another powerful route. Most easily done through rebalancing, but also in more nuanced forms. By encoding systematic decisions we are acknowledging the likely divergence between our cool, rational forward-looking self and our hot state, in-the-moment, decision maker. Of course, it is important to remember that in times of stress we will likely try to ‘override the model’ and stop such systematic decisions, arguing that they don’t capture the gravity or nuance of the situation unfolding. In reality it will just be our emotions telling us not to do something inherently uncomfortable.

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Despite our best intentions, when investors talk of making allocation decisions when there are better entry points or more attractive valuations, it is highly likely that when the time arrives we will be reluctant to follow the intended course of action. The narratives will be bleak, past performance poor and we will struggle to avoid extrapolating the pessimism.

We will be given every reason not to act and gladly accept them.

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My first book has been published. The Intelligent Fund Investor explores the beliefs and behaviours that lead investors astray, and shows how we can make better decisions. You can get a copy here (UK) or here (US).