国际清算银行：覆盖利率平价：一种估计中性带的预测方法（英文版）

The neutral band is the interval where deviations from covered interest parity (CIP) are not considered profitable arbitrage opportunities. After the great financial crisis, deviations from CIP are no longer short-lived, exposing some limitations of the previous approaches to estimate the neutral band. In this paper, I argue that the one-step-ahead forecast distribution of deviations from CIP, with a time-varying variance component, provides an intuitive estimate of the neutral band. I use da