In recent years, the endowment funds of top U.S. colleges and universities have frequently attracted attention due to their huge private equity exposure. 2024, Yale University announced that it would sell $6 billion in private assets (15% of its endowment fund) through the secondary market, and Harvard University is also facing liquidity pressures in the context of a crisis in its tax-exempt status.The sell-off storm not only exposes the inherent contradictions of the "Yale model", but may also become a trigger to burst the bubble of the private equity market, triggering a systemic risk comparable to the subprime mortgage crisis.Motivation for the sell-off: the flaws of the Yale model in the volatile gaming marketIvy League endowments have long played the role of "privileged players" in th