Beliefs and Actions in the Trust Game: Creating Instrumental Variables to Estimate the Causal Effect
Miguel Costa-Gomes, Steffen Huck, Georg Weizsacker
Games And Economic Behavior, vol. 88, 2014, p. 298-309.

Stated Beliefs and Play in Normal-Form Games
Miguel Costa-Gomes, Georg Weizsacker
Review Of Economic Studies, vol. 75, 2008, p. 729-762.