"We present a model in which some investors are prohibited from using leverage and other investors' leverage is limited by margin requirements. The former investors bid up high-beta assets while the latter agents trade to profit from this, but must de-lever when they hit their margin...

This book is about the pricing of liquidity. We present theory and evidence on how liquidity affects securities prices, why liquidity varies over time, how a drop in liquidity leads to a drop in prices, and why liquidity crises create liquidity spirals. The analysis has implications for traders,...