In this paper, we use a database of around 400,000 metaorders issued by investors and electronically traded on European markets in 2010 in order to study market impact at different scales.At the intraday scale we confirm a square root temporary impact in the daily participation, and we shed...

Key Features:Interdisciplinary comments on market microstructure (covering economy, quantitative finance, and econophysics)Covers a very large spectrum of phenomenon: high frequency trading, liquidity monitoring, the Flash Crash, systemic risk, fragmentation, Smart Order Routing, trade...

We study the simplest discrete-time finite-maturity model in which default arises when the firm is not able to pay its debt obligation using the current cash-flow plus the corporate liquidity. An important distinction is made between liquidity and solvency of the firm. The corporate financial...