Reconciling Interest Rates Evidence with Theory: Rejecting Unit Roots When the Hd(1) is a Competing Alternative

38 Pages Posted: 27 Oct 2022

See all articles by Alessandro Palandri

Alessandro Palandri

University of Florence - Department of Statistics, Computer Science, Applications

Abstract

The paper introduces the HD(1), a Markovian process of order one with reversion rates that are faster the farther the process is from equilibrium. The aHD(1) approximation is introduced to allow for an estimation-calibration procedure based on available ARMA routines. Critical values of unit root tests with aHD(1) alternative are tabulated for the signed likelihood-ratio statistic. Revisiting the  non-stationarity of interest rates  stylized fact, the aHD(1) is found to be preferred to ARMA and SETAR and the resulting tests to reject the unit root hypothesis for all rates and yields considered.

Keywords: Interest Rates, Bond Yields, Hyperbolic Reversion, Unit Root Test, Critical Values

Suggested Citation

Palandri, Alessandro, Reconciling Interest Rates Evidence with Theory: Rejecting Unit Roots When the Hd(1) is a Competing Alternative. Available at SSRN: https://ssrn.com/abstract=4260277

Alessandro Palandri (Contact Author)

University of Florence - Department of Statistics, Computer Science, Applications ( email )

Florence
Italy

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