Notes, Comments and Preliminary results Dec 27 2018 David Wettstein and Ori Zax   Promotion Policies of Workers who Observe their Ability   Abstract  Contact Information  Citation  Full Text  -  Note   Nov 11 2005 David Pérez-Castrillo and David Wettstein   Implementation of the Ordinal Shapley Value for a three-agent economy   Abstract  Contact Information  Citation  Full Text  -  Note