Rapach, David E.; Strauss, Jack K.; Wohar, Mark E. - In: Forecasting in the presence of structural breaks and …, (pp. 381-416). 2008
We examine the role of structural breaks in forecasting stock return volatility. We begin by testing for structural breaks in the unconditional variance of daily returns for the S&P 500 market index and ten sectoral stock indices for 9/12/1989–1/19/2006 using an iterative cumulative sum of...