This article investigates the random walk behavior of CIVETS (Colombia, Indonesia, Vietnam, Egypt, Turkey and South Africa) foreign exchange rates against the US dollar using weekly data from February 2007 to April 2012. Using variance ratio tests, the results suggest that the nominal exchange...

This paper investigates the random walk behavior of real estate investment trust (REIT) sub-sectors using monthly return data from January 1994 to July 2015. Using variance ratio tests, we examine sub-sectors of lodging/ resorts and self-storage and find that they do not follow a random walk,...