Key Findings on Public Pension Allocation to Alternatives

The brief highlights significant trends in how U.S. public pension plans have shifted their investment strategies over the years, particularly increasing their allocation in alternative assets, such as private equity and real estate.

Summary of Key Findings

1. Shift to Alternatives: Since 2000, there has been a notable shift in public pensions toward alternative assets, rising from 14% to 39% of risky investments by 2021, with considerable variation among different pension plans.

2. Changing Beliefs: The analysis indicates that pension plans are increasingly confident that alternatives will outperform traditional public equities, influenced by the views of consultants, peer behaviors, and prior experiences from the 1990s.

3. Limited Impact of Risk Appetite: Factors relating to the plans’ appetite for risk appear to have a more limited influence on these allocation patterns compared to changing beliefs about returns.

Introduction

Public pension plans have transformed their approach to risk in recent decades. Initially dominated by investments in public equities, alternative assets have become a more substantial component of investment portfolios (growing from 14% to 39%). The brief seeks to understand the drivers behind this reallocation and the varying degrees of adoption among different plans.

The Rise of Alternatives

• Data from the Public Plans Database indicates a sharp increase in the target allocation to alternatives from around 10% to 30% from 2001 to 2021.
• There is notable variation in alternative-to-risky asset ratios across pension plans, indicating differing beliefs and strategies regarding alternative investments.

Influences on Investment Beliefs

1. Consultants’ Views

Pension consultants play a crucial role in shaping investment strategies. Their increasing optimism regarding alternatives is reflected in pension allocations, showing higher target alternatives among those whose consultants project better alpha for alternatives over public equities.

2. Peer Effects

Behavioral patterns among peer pension plans significantly influence investment beliefs. Research shows that a 10-percentage-point increase in peers’ allocations to alternatives typically results in a significant increase in a fund’s own allocations.

3. Prior Investment Experience

Experiences in the equity market during the 1990s have shaped contemporary strategies, with plans that had unfortunate experiences (e.g., entering the equity market during downturns) being more likely to seek alternatives thereafter.

Risk-Taking and Constraints

While some theories suggest that a growing appetite for risk drives increased allocations to alternatives, the analysis shows that motives and constraints regarding risk have limited effects. Constrained pensions did not notably shift more toward alternatives compared to less constrained counterparts. Hence, the findings suggest that changes in beliefs are the more significant factor.

Aggregate Trends

The overall data points indicate that an increase in the perceived alpha of alternatives relative to public equities is necessary to explain the aggregated shift, with beliefs being shaped by both consultants and peer networks.

Conclusion

The rising allocation to alternative investments by U.S. public pensions can primarily be attributed to evolving beliefs in their potential performance compared to public equities, rather than merely a desire for taking on more risk. The influence of consultants, peers, and past experiences plays a pivotal role in forming these beliefs, while risk-related motives are less significant in shaping current trends.

The brief raises questions regarding the rationality of beliefs about alpha, indicating a requirement for further research to assess the implications of these investment choices on pension beneficiaries.