This study rationalizes the negative HKD-USD interest rate (HIBOR-LIBOR) differentials observed after the US interest rate hike on December 17, 2015. Why do arbitragers not eliminate the differentials until parity? We first analyse two practical concerns that are typical from the perspective of...

During emerging market crises, domestic agents might have sufficient collateral to borrow from the other domestic agents, but they are unable to borrow from foreigners because the country, as a whole, lacks international collateral. In this setting, we show that an (ex-post) optimizing central...

The failure of uncovered interest parity can be ascribed to the existence of a risk premium. The size of this risk premium may shrink to zero over sufficiently small intervals of time. In contrast, because no interest is paid on intradaily positions and interest is instead paid discretely at the...