Market liquidity is typically characterized by a number of ad hoc metrics, such as depth, volume, bid-ask spreads etc … grounds. In this paper we propose a welfare-based denition of liquidity and characterize its relationship to the usual proxies … intermediaries pursue prot opportunities by providing intermediation services (i.e. "liquidity") in exchange for an endogenous fee …

identical, implying that the concentration of liquidity in one asset is socially desirable. At the same time, too many buyers …

Market liquidity is typically characterized by a number of ad hoc metrics, such as depth (or market impact), volume … the existing metrics on welfare grounds. In this paper we propose a welfare-based denition of liquidity and characterize … intermedia- tion services (i.e. \liquidity") in exchange for an endogenous fee. Our model is well suited to study the contagion …

sampling frequency of the data; iii) volatility, the limit order book, and liquidity, in terms of tightness, depth, and … empirical evidence about stock market volatility, liquidity, limit order books, and market frictions, and provides a natural …

order books. This paper evaluates the impact on liquidity of fragmentation in visible order books and dark trading for a … sample of 52 Dutch stocks. We consider global liquidity by consolidating the entire limit order books of all visible European … trading venues, and local liquidity by considering the traditional market only. We find that fragmentation in visible order …

banks have provided liquidity and ministries of finance have set up rescue programmes to restore confidence and stability …. Using a model of a systemic bank suffering from liquidity shocks, we find that the unregulated bank keeps too much liquidity … and takes excessive risk compared to the social optimum. A Lender of Last Resort can alleviate the liquidity problem, but …

rate spread and full participation; 2) elevated spread and adverse selection; and 3) liquidity hoarding leading to a market …