Gabrielsen, Alexandros; Marzo, Massimiliano; Zagaglia, Paolo - 2011 - This version: December 13, 2011
Asset liquidity in modern financial markets is a key but elusive concept. A market is often said to be liquid when the … low costs of transaction. Providing a rigorous and empirically relevant definition of market liquidity has, however … estimating the market liquidity of assets. We consider definitions that stress the role of the bid-ask spread and the estimation …