Alix Zwane, Jonathan Zinman, Eric Van Dusen, William Pariente, Clair
Null, Edward Miguel, Michael Kremer, Dean S. Karlan, Richard Hornbeck,
Xavier Giné, Esther Duflo, Florencia Devoto, Bruno Crepon và Abhijit
Banerjee, “The Risk of Asking: Being Surveyed Can Affect Later
Behavior”, Proceedings of the National Academy of Sciences, sắp phát hành
(2010).