Breaking par-value spillovers and systemic risk
This study utilizes product-level data on Chinese bank wealth management products to demonstrate that while the breaking of par value initially dispersed risk, the November 2022 episode ultimately heightened systemic risk—particularly for non-Big Six banks and flexible fixed-income products—through balance-sheet feedback mechanisms, thereby underscoring the need for differentiated supervision and improved liquidity management.
Original paper licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). This is an AI-generated explanation of the paper below. It is not written or endorsed by the authors. For technical accuracy, refer to the original paper. Read full disclaimer
In the world of finance, there is a constant tension between keeping money safe and letting it grow. For decades, many people in China believed that wealth management products offered by banks were as secure as a traditional savings account. These products, often sold by specialized subsidiaries of major banks, promised steady returns and, crucially, an unspoken promise that the bank would never let an investor lose their principal. This belief acted like a safety net, encouraging people to invest in complex portfolios of bonds and other assets. However, in late 2022, a new set of rules forced these products to show their true value every day, revealing that the underlying assets had lost money. For the first time, investors saw their balances drop below the amount they originally put in. This event, known as "breaking par," shattered the illusion of safety and triggered a wave of panic, raising a critical question for the entire economy: did this shock stay contained within the investment products, or did it ripple out to threaten the stability of the banks themselves?
A team of researchers set out to answer this by looking at the specific data from thousands of these wealth management products and matching them with the financial health of the banks that issued them. They focused on the period surrounding the November 2022 episode, a time when the proportion of products losing value jumped sharply, affecting roughly one-quarter of the market at its peak. By analyzing how these losses correlated with the risk of the broader financial system, the researchers discovered a complex, dual reality. On one hand, the existence of these separate investment subsidiaries did help shield the parent banks from some of the direct damage, acting as a buffer that kept the banks' own balance sheets cleaner. On the other hand, when the losses became widespread and severe, the situation flipped. The very mechanism designed to separate risk began to amplify it, turning localized investment losses into a broader source of stress for the entire banking system.
The study found that the impact depended heavily on the size and strength of the bank. The largest, most powerful banks, often referred to as the "Big Six," were able to absorb the shock without significantly increasing their contribution to systemic danger. They had enough capital and liquidity to weather the storm. In contrast, smaller banks without such deep reserves faced a different fate. When their wealth management products suffered losses, these smaller institutions saw their contribution to overall system risk rise sharply. This happened because panicked investors rushed to pull their money out, forcing the subsidiaries to sell assets quickly. These sales drove down prices further, creating a vicious cycle that threatened the stability of the banks themselves. The researchers observed that this feedback loop was particularly strong when the losses were large in absolute terms, rather than just relatively small dips.
The nature of the investment product also played a decisive role in how the risk spread. The researchers found that products investing in fixed-income assets, like bonds, were the primary drivers of this systemic stress. This makes sense, as the November 2022 event was largely triggered by a sudden drop in bond prices. Surprisingly, the products that were marketed as lower-risk were actually more dangerous to the system when things went wrong. Because investors viewed these products as safe, the moment they saw a loss, they reacted with greater panic than they would have with a clearly risky product. This suggests that the perception of safety can be just as volatile as the assets themselves. Furthermore, products that allowed investors to withdraw their money at any time created more instability than those with locked-in terms, as the ability to flee quickly accelerated the selling pressure.
Ultimately, the research suggests that while separating investment activities from traditional banking can protect a bank's core operations during normal times, it does not eliminate risk from the financial system. Instead, it changes how that risk moves. Under normal conditions, these subsidiaries disperse losses, but during a crisis, they can become channels that transmit stress back to the banks and the wider economy. The study highlights that transparency, while good for long-term health, can trigger short-term panic if investors are not prepared for the reality of market fluctuations. The findings point to a need for regulators to look beyond the individual bank and monitor the connections between investors, investment products, and the banks that back them, ensuring that liquidity buffers are strong enough to prevent a rush for the exits from turning into a systemic collapse.
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