Semiparametric Single-index Predictive Regression

Weilun Zhou, Jiti Gao, David Harris () and Hsein Kew ()

No 25/19, Monash Econometrics and Business Statistics Working Papers from Monash University, Department of Econometrics and Business Statistics

Abstract: This paper studies a semiparametric single-index predictive regression model with multiple nonstationary predictors that exhibit co-movement behaviour. Orthogonal series expansion is employed to approximate the unknown link function in the model and the estimator is derived from an optimization under constraint. The main finding includes two types of super-consistency rates for the estimators of the index parameter. The central limit theorem is established for a plug-in estimator of the unknown link function. In the empirical studies, we provide ample evidence in favor of nonlinear predictability of the stock return using four pairs of nonstationary predictors.

Keywords: predictive regression; single-index model; Hermite orthogonal estimation; dual super-consistency rates; co-moving predictors. (search for similar items in EconPapers)
JEL-codes: C13 C14 C32 C51 (search for similar items in EconPapers)
Pages: 60
Date: 2019
New Economics Papers: this item is included in nep-ecm and nep-ore
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