We develop a model in which financial intermediaries hold liquidity to protect themselves from shocks. Depending on … parameter values, banks may choose to hold too much or too little liquidity on aggregate compared with the socially optimal … underinsurance against liquidity choice. The model therefore provides a unified framework for thinking, on the one hand, about policy …

This paper explores liquidity spillovers in market-capitalization-based portfolios of NYSE stocks. Return, volatility …, and liquidity dynamics across the small- and large-cap sectors are modeled by way of a vector autoregression model, using … data that spans more than 3,000 trading days. We find that volatility and liquidity innovations in one sector are …

more highly correlated; moreover, at these times, money supply positively affects financial market liquidity, albeit with a … lag of two weeks. During normal times, increases in mutual fund flows enhance stock market liquidity and trading volume …, but during financial crises, U.S. government bond funds see higher inflows, resulting in increased bond market liquidity …

This paper explores liquidity movements in stock and Treasury bond markets over a period of more than 1800 trading days …. Cross-market dynamics in liquidity are documented by estimating a vector autoregressive model for liquidity (that is, bid … in one market affects the spreads in both markets, and that return volatility is an important driver of liquidity …