The role of time‐varying risk premia in international interbank markets

Nikolaos Karouzakis

International Journal of Finance & Economics, 2021, vol. 26, issue 4, 5720-5745

Abstract: We study international interbank spreads within a no‐arbitrage dynamic term structure model and attempt to disentangle time‐varying risk premia in the interbank market for major currencies. Our results suggest that, at the peak of financial crisis, the interbank spread was clearly driven by liquidity risk. In the aftermath of the crisis, credit risk has become the dominant driver of the spread. This effect is stronger in the Euro and UK markets, due to the escalation of the European sovereign debt crisis, and weaker in the Japanese market which experienced remarkably low credit pressures. Furthermore, we assess the effectiveness of monetary policy actions and demonstrate that the establishment of the unconventional policy programmes led to the deterioration of liquidity risk in the interbank market, and the policy of major Central banks to substantially cut interest rates kept credit pressures at low levels. We also partition the spread into expectation hypothesis and time‐varying risk premium components and reject the hypothesis of constant risk premium. We find strong evidence of predictability inferred from the interbank spread model with time‐varying risk premia.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:wly:ijfiec:v:26:y:2021:i:4:p:5720-5745

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