Chu V Nguyen, Muhammad Mahboob Ali and Samuel Penkar
Asymmetries in the Singaporean consumer loans lending-interbank overnight rate spread were documented. Empirical results revealed that the spread adjusts to the threshold more slowly when the interbank overnight rates decrease relative to the consumer loans rates than when the interbank overnight rates move in the opposite direction. Additionally, the empirical findings indicate that Singaporean commercial banks exhibit predatory rate setting behaviour in consumer loans market. The results also show bidirectional Granger causality between the Singaporean consumer loans rate and the interbank overnight rate, indicating that the consumer loans rate and the interbank overnight rate affect each other’s movements. These results suggest that monetary authority can use its countercyclical monetary policy instruments to achieve its macroeconomics objectives. However, the estimation results of the GARCH (3, 3)-in-Mean model suggest that they should intervene more frequently and by small policy measures to minimize the conditional variance of the spread to minimize the magnitude of the cycle of the consumer loans rate.
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