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Jonathan H. Wright
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Journal Articles
Credit Spreads as Predictors of Real-Time Economic Activity: A Bayesian Model-Averaging Approach
UnavailablePublisher: Journals Gateway
The Review of Economics and Statistics (2013) 95 (5): 1501–1519.
Published: 01 December 2013
Abstract
View articletitled, Credit Spreads as Predictors of Real-Time Economic Activity: A Bayesian Model-Averaging Approach
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for article titled, Credit Spreads as Predictors of Real-Time Economic Activity: A Bayesian Model-Averaging Approach
Employing a large number of financial indicators, we use Bayesian model averaging (BMA) to forecast real-time measures of economic activity. The indicators include credit spreads based on portfolios, constructed directly from the secondary market prices of outstanding bonds, sorted by maturity and credit risk. Relative to an autoregressive benchmark, BMA yields consistent improvements in the prediction of the cyclically sensitive measures of economic activity at horizons from the current quarter out to four quarters hence. The gains in forecast accuracy are statistically significant and economically important and owe almost exclusively to the inclusion of credit spreads in the set of predictors.
Includes: Supplementary data
Journal Articles
Efficient Prediction of Excess Returns
UnavailablePublisher: Journals Gateway
The Review of Economics and Statistics (2011) 93 (2): 647–659.
Published: 01 May 2011
Abstract
View articletitled, Efficient Prediction of Excess Returns
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for article titled, Efficient Prediction of Excess Returns
It is well known that augmenting a standard linear regression model with variables that are correlated with the error term but uncorrelated with the original regressors will increase the asymptotic efficiency of the original coefficients. We argue that in the context of predicting excess returns, valid augmenting variables exist and are likely to yield substantial gains in estimation efficiency and, hence, predictive accuracy. The proposed augmenting variables are ex post measures of an unforecastable component of excess returns: ex post errors from macroeconomic survey forecasts, the surprise components of asset price movements around macroeconomic news announcements, or even the weather. These “surprises” cannot be used directly in forecasting—they are not observed at the time that the forecast is made—but can nonetheless improve forecasting accuracy by reducing parameter estimation uncertainty. We derive formal results about the benefits and limits of this approach and apply it to standard examples of forecasting excess bond and equity returns. We find substantial improvements in out-of-sample forecast accuracy for standard excess bond return regressions; gains for forecasting excess stock returns are much smaller.
Includes: Supplementary data
Journal Articles
Publisher: Journals Gateway
The Review of Economics and Statistics (2001) 83 (4): 596–602.
Published: 01 November 2001
Abstract
View articletitled, High-Frequency Data, Frequency Domain Inference, and Volatility Forecasting
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for article titled, High-Frequency Data, Frequency Domain Inference, and Volatility Forecasting
Although it is clear that the volatility of asset returns is serially correlated, there is no general agreement as to the most appropriate parametric model for characterizing this temporal dependence. In this paper, we propose a simple way of modeling financial market volatility using high-frequency data. The method avoids using a tight parametric model by instead simply fitting a long autoregression to log-squared, squared, or absolute high-frequency returns. This can either be estimated by the usual time domain method, or alternatively the autoregressive coefficients can be backed out from the smoothed periodogram estimate of the spectrum of log-squared, squared, or absolute returns. We show how this approach can be used to construct volatility forecasts, which compare favorably with some leading alternatives in an out-of-sample forecasting exercise.