There's a plausible argument that from the point of view of investors, firms are too risk-averse. After all, an investor can diversify across lots of firms. If some firms do well and some go broke, the overall return on the investment portfolio can be just fine. But from the standpoint of the managers running a company, the picture looks rather different. They want to protect their own jobs, and the jobs of people working for them. For them, a risky strategy that might have a big upside, but also a substantial possibility of failure, will not be to their personal taste. Indeed, top managers may fear that negative news of even a single investment project that ended up doing poorly could end up being used as a reason for new management to take over. From the point of view of top managers,
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Dan Lovallo, Tim Koller, Robert Uhlaner and Daniel Kahneman present some evidence and argumenta on this point in "Your Company Is Too Risk-Averse" (Harvard Business Review, March-April 2020). Some of the evidence is from surveys of managers. They write:
In a 2012 McKinsey global survey, for example, two of us (Koller and Lovallo) presented the following scenario to 1,500 managers: You are considering a $100 million investment that has some chance of returning, in present value, $400 million over three years. It also has some chance of losing the entire investment in the first year. What is the highest chance of loss you would tolerate and still proceed with the investment? A risk-neutral manager would be willing to accept a 75% chance of loss and a 25% chance of gain; one-quarter of $400 million is $100 million, which is the initial investment, so a 25% chance of gain creates a risk-neutral value of zero. Most of the surveyed managers, however, demonstrated extreme loss aversion. They were willing to accept only an 18% chance of loss, much lower than the risk-neutral answer of 75%. In fact, only 9% of them were willing to accept a 40% or greater chance of loss. What’s more, the size of the investment made little difference to the degree of loss aversion. When the initial investment amount was lowered to $10 million, with a possible gain of $40 million, the managers were just as cautious ...
So how much money is left on the table owing to risk aversion in managers? Let’s assume that the right level of risk for a company is the CEO’s risk preference. The difference in value between the choices the CEO would favor and those that managers actually make is a hidden tax on the company; we call it the risk aversion tax, or RAT. Companies can easily estimate their RAT by conducting a survey, like Thaler’s, of the risk tolerance of the CEO and of managers at various levels and units.Their solutions involve making risk explicit. In many companies, it's can be hard to get a new project approved if you start talking about the full range of risks involved. It's a lot easier to set an expectation for what "success" might be, and to try get that bar set relatively low, so that "success" is more likely to happen. But companies which are more up-front about the range of likely outcomes--from the probabilities of a negative return to the probabilities of large gains--are more likely to see benefits from taking additional risks. And it helps if middle- and low-level managers are only evaluated on what they can personally control: for example, the lower-level managers should get credit within the organization if a new project is carried through on-time and on-plan (the factors they can control), even if it ends up not making any money (the factors they couldn't control.
For one high-performing company we worked with, we assessed all investments made in a given year and calculated that its RAT was 32%. Let that sink in for a moment. This company could have improved its performance by nearly a third simply by eliminating its own, self-imposed RAT. It did not need to develop exciting new opportunities, sell a division, or shake up management; it needed only to make investment decisions in accordance with the CEO’s risk tolerance rather than that of junior managers.
The overall goal, as the authors write, is that "companies need to switch from processes predicated on managing outcomes to those that encourage a rational calculation of the probabilities."