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Title: Long memory and level shifts in REITS returns and volatility
Authors: Assaf, Ata 
Affiliations: Faculty of Business and Management 
Keywords: REITS
Breaks or long memory
R/S and V/S
Issue Date: 2015
Conference: Eurasia Business and Economic Society Meeting (EBES). ( 8-10 January 2015 - Lisbon, Portugal)
This paper provides an empirical investigation of the long memory in the returns and volatility of REITs markets of the USA, the UK, Hong Kong, Australia, and Japan. Initially,we subject the series to unit root tests proposed bySaikkonen and L├╝tkepohl (2002) and Lanne et al. (2002),which allowfor a level shift in the data generating process. We confirm the stationarity of the REITs returns in the presence of structural breaks, with the breaks happening during the 2008 and 2009 periods. Second, by employing long memory tests and estimators, a weak long memory is demonstrated in the return series, but a strong evidence is provided in the volatility measures. Then using Smith (2005)'s modified GPH estimator,we find that a short-memorymodel with a level shift is a viable alternative to a long memory model for the USA, Hong Kong and Japan and not for the UK nor for Australia. Finally, we confirm that the longmemory in volatility is real and not caused by shifts in variance for all markets. Our results should be useful to market participants in the REITs markets, whose success depends on the ability toforecast and model REITs price movements.
Type: Conference Presentation
Appears in Collections:Department of Business Administration

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