A Re-Evaluation of the Term Spread as a Leading Indicator

Posted: 14 Sep 2019

See all articles by Vasilios Plakandaras

Vasilios Plakandaras

Democritus University of Thrace

Theophilos Papadimitriou

Department of Economics, Democritus University of Thrace

Periklis Gogas

Democritus University of Thrace - Department of Economics

Rangan Gupta

University of Pretoria - Department of Economics

Date Written: September 6, 2019

Abstract

Forecasting the evolution path of macroeconomic variables has always been of keen interest to policy makers and market participants. A common tool used in the relevant forecasting literature is the term spread of Treasury bond yields. In this paper, we decompose the term spread into an expectation and a term premium component and evaluate the informational content of each component in forecasting the GDP growth rate and inflation in various forecasting horizons. In doing so, we employ alternative decomposition procedures and introduce the Support Vector Regression (SVR) methodology from the field of Machine Learning, coupled with linear and non-linear kernels as a novel forecasting method in the field. Using rolling windows in producing point and conditional probability distribution forecasts we find that neither the term spread, nor its decomposition components possess the ability to accurately forecast output growth or inflation. Our findings extend the existing literature, since they are focused on an explicit out-of-sample evaluation in contrast to most existing empirical studies that produce only in-sample forecasts. To strengthen our findings, we also consider several control variables suggested in the relevant literature without significant qualitative differences from the initial results. The main innovation of our approach stems from the use of the non-linear Support Vectors Machine methodology, that is introduced for the first time in this line of research for forecasting out-of-sample.

Keywords: Inflation, GDP, Forecasting, Support Vector Machines, Term Premium

Suggested Citation

Plakandaras, Vasilios and Papadimitriou, Theophilos and Gogas, Periklis and Gupta, Rangan, A Re-Evaluation of the Term Spread as a Leading Indicator (September 6, 2019). International Review of Economics & Finance, Forthcoming. Available at SSRN: https://ssrn.com/abstract=3449082

Vasilios Plakandaras (Contact Author)

Democritus University of Thrace ( email )

University Campus
Komotini, 69100
Greece

Theophilos Papadimitriou

Department of Economics, Democritus University of Thrace ( email )

University Campus
Komotini, 69100
Greece

HOME PAGE: http://econ.duth.gr/author/papadimi/

Periklis Gogas

Democritus University of Thrace - Department of Economics ( email )

Komotini, 69100
Greece

HOME PAGE: http://www.econ.duth.gr/personel/dep/gkogkas/index.en.shtml

Rangan Gupta

University of Pretoria - Department of Economics ( email )

South Africa

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