TEST FOR EVOLVING EFFICIENCY
I would be grateful if you could assist me to undertake the ”test for evolving efficiency (TEE)” in stata, as used in the paper “THE CHANGING EFFICIENCY OF AFRICAN STOCK MARKETS” by Smith and Jefferis (2005) South African Journal of Economics Vol. 73:1 by kindly providing me with the syntax. I have tried using sspace estimation but could not draw the graphs showing evolving efficiency