The network of weighted majority rules and its geometric realizations. - Drora Karotkin; Mary Schaps (Games Econ. Behav., 2003)

Optimum committee size: Quality-versus-quantity dilemma. - Drora Karotkin; Jacob Paroush (Soc. Choice Welf., 2003)

Robustness of optimal decision rules where one of the team members is exceptionally qualified. - Drora Karotkin; Jacob Paroush (Soc. Choice Welf., 2006)