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Working Paper
A Time Series Model of Interest Rates With the Effective Lower Bound
Modeling interest rates over samples that include the Great Recession requires taking stock of the effective lower bound (ELB) on nominal interest rates. We propose a flexible time? series approach which includes a ?shadow rate??a notional rate that is less than the ELB during the period in which the bound is binding?without imposing no?arbitrage assumptions.{{p}}The approach allows us to estimate the behavior of trend real rates as well as expected future interest rates in recent years.