Suresh K. G.; Tiwari, Aviral Kumar; Joseph, Anto - In: Economics Bulletin 32 (2012) 2, pp. 1261-1271
The study examines the weak form efficiency in stock returns for the economies of Brazil, Russia, India and China (BRIC), from January 2000 to December 2010. The study uses LM unit root test with one and two structural breaks as given by Lee and Strazicich (2003, 2004), along with the recently...