Modeling the Yield Curve of BRICS Countries: Parametric vs. Machine Learning Techniques

Oleksandr Castello and Marina Resta
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Oleksandr Castello: School of Social Sciences, Department of Economics and Business Studies, University of Genova, 16126 Genova, Italy
Marina Resta: School of Social Sciences, Department of Economics and Business Studies, University of Genova, 16126 Genova, Italy

Risks, 2022, vol. 10, issue 2, 1-18

Abstract: We compare parametric and machine learning techniques (namely: Neural Networks) for in–sample modeling of the yield curve of the BRICS countries (Brazil, Russia, India, China, South Africa). To such aim, we applied the Dynamic De Rezende–Ferreira five–factor model with time–varying decay parameters and a Feed–Forward Neural Network to the bond market data of the BRICS countries. To enhance the flexibility of the parametric model, we also introduce a new procedure to estimate the time varying parameters that significantly improve its performance. Our contribution spans towards two directions. First, we offer a comprehensive investigation of the bond market in the BRICS countries examined both by time and maturity; working on five countries at once we also ensure that our results are not specific to a particular data–set; second we make recommendations concerning modelling and estimation choices of the yield curve. In this respect, although comparing highly flexible estimation methods, we highlight superior in–sample capabilities of the neural network in all the examined markets and then suggest that machine learning techniques can be a valid alternative to more traditional methods also in presence of marked turbulence.

Keywords: BRICS; De Rezende–Ferreira model; Artificial Neural Network (ANN); Feed–Forward Neural Network (FFNN); emerging markets; term structure (search for similar items in EconPapers)
JEL-codes: C G0 G1 G2 G3 K2 M2 M4 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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