We revisit the recent literature on persistent deviations from covered interest parity (CIP) by showing theoretically that CIP violations imply arbitrage opportunities only if uncollateralized interbank lending rates are riskless. In the absence of observable riskless discount rates, we extract...

This working paper was written by Patrick Augustin (McGill University and Canadian Derivatives Institute), Mikhail Chernov (University of California Los Angeles, NBER and CEPR), Lukas Schmid (University of Southern California and CEPR) and Dongho Song (Johns Hopkins University).We show...