Who Monitors the Monitor? Effect of Party Observers on Electoral Outcomes
Agustin Casas, Guillermo Diaz, Andre Trindade
Journal of Public Economics, vol. 145, 2017, p. 136-149.

SURPRISE ME IF YOU CAN: THE INFLUENCE OF NEWSPAPER ENDORSEMENTS IN U.S. PRESIDENTIAL ELECTIONS.
Agustin Casas, Yarine Fawaz, Andre Trindade
Economic Inquiry, vol. 54, 2016, p. 1484-1498.