illiquid assets or underprovision of liquidity. We investigate whether imperfect competition (Cournot) improves welfare through … internalizing the externality and find that this is far from guaranteed. In a standard model of liquidity shocks, when liquidity is … sufficiently scarce, Cournot competition leads to even less liquidity than the Walrasian equilibrium. In a standard model of …

liquidity and solvency shocks. Extending the work by Cao & Illing (2009a, b), it is shown that systemic liquidity shortage … extra cost for banking regulation and makes some schemes that are optimal under pure illiquidity risks (such as liquidity …