Also called external efficiency; a market characteristic that prices at all times fully reflect all available information that is relevant to the valuation of securities. Found on http://www.duke.edu/~charvey/Classes/wpg/bfglosp.htm
Also called external efficiency, a market characteristic where prices at all times fully reflect all available information that is relevant to the valuation of securities. Found on http://www.encyclo.co.uk/local/20047