TimesMachine is an exclusive benefit for home delivery and digital subscribers. Full text is unavailable for this digitized archive article. Subscribers may view the full text of this article in ...

Join us to see the experiment results! The ninja used a substitution technique to memorize multiple numbers. An extreme memory technique used by the ninja is revealed! A ninja document mentions ...

Journal of Political Economy, Vol. 101, No. 1 (Feb., 1993), pp. 119-137 (19 pages) We report market experiments in which human traders are replaced by "zero-intelligence" programs that submit random ...