Syngjoo Choi university college london   Department of Economics University College London Gower Street London, SW19 8NL United Kingdom   syngjoo.choi@ucl.ac.uk   http://www.homepages.ucl.ac.uk/~uctpsc0/       Primary Research Focus: Experimental Economics; Economic Theory   JEL Areas: C9 : Design of Experiments: General D : Microeconomics