Arbitrage ensures that covered interest parity holds. The condition is central to price foreign exchange forwards and … interbank lending rates, and reflects the efficient functioning of markets. Normally, deviations from arbitrage, if any, last … seconds and reach a few basis points. After the Lehman bankruptcy, instead, arbitrage profits were large, persisted for months …

arbitrage crashes and failure of systemically important intermediaries during the global financial crisis. Intermediaries pledge … productive capital as repo collateral to fund the margin for their arbitrage positions. A tiny drop in the market liquidity of … movements and losses. This further reduces the collateral value of arbitrage portfolios and triggers more fire-sales in both …

We develop a tractable model to study the macroeconomic impacts of limited arbitrage by linking arbitrage activities … arbitrage failures and recessions. Collateralization adds extra value to real-sector investments, and ultimately helps boost …