国际清算银行：什么时候更少更多？银行流动性安排与央行支持（英文版）

Theory suggests that in the face of fire-sale externalities, banks have incentives to overinvest in order to issue cheap money-like deposit liabilities. The existence of a private market for insurance such as contingent capital can eliminate the overinvestment incentives, leading to efficient outcomes. However, it does not eliminate fire sales. A central bank that can infuse liquidity cheaply may be motivated to intervene in the face of fire sales. If so, it can crowd out the private market a