Volatility forecasting model selection with exponentially weighted information criteria.

Choo, Wei Chong (2009) Volatility forecasting model selection with exponentially weighted information criteria. In: 29th International Symposium on Forecating, 21-24 June 2009, Hong Kong.

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Abstract

In this paper, we consider a recently proposed information criteria (IC) for selecting among forecasting models. This IC involves the use of exponential weighting within the measure of fit in the standard IC, such as the Akaike’s IC or Schwarz’s Bayesian IC. The effect of this is that greater weight is placed on more recent observations in order to reflect more recent accuracy. This new exponentially weighted IC has previously been used to select among models for point forecasting. In this paper, we consider its use for selecting between a variety of volatility forecasting models, including GARCH, exponential smoothing, and smooth transition exponential smoothing. In the likelihood functions for all the models, we allow conditionally non-Gaussian distributed errors in order to capture more fully the leptokurtosis in financial returns data. We demonstrate the use of model selection based on the new IC using stock indices data obtained from four major stock markets.

Item Type:Conference or Workshop Item (Paper)
Keyword:Volatility forecasting; Information criteria; Model selection; Exponential weighting; STES.
Subject:Forecasting.
Subject:Forecating - Finance.
Faculty or Institute:Faculty of Economics and Management
ID Code:18844
Deposited By: Samsida Samsudin
Deposited On:31 Jul 2012 02:33
Last Modified:17 Dec 2013 05:10

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