Liquidity refers to the degree to which an asset or security can be bought or sold in the market without affecting the asset's price. This book provides important evidence on the changes in market liquidity following the transition to electronic trading, and highlights quite different evidence from that presented in previous studies. Liquidity is also examined across different types of markets by using execution costs as a proxy for liquidity. The links between the concept of liquidity and the role of payment systems in a globalized financial system is investigated as well. Furthermore, a...