Paying a fixed amount of money to participants in choice-based conjoint (CBC) studies is the industry standard. Recently, Ding (2007) has shown that a lottery incentive scheme outperformed a fixed fee incentive scheme when predicting out-of-sample choices. We achieve two research goals in the...

We allow a contest organizer to bias a contest in a discriminatory way, that is, she can favor specific contestants through the choice of contest success functions in order to maximize total equilibrium effort (resp. revenue). The scope for revenue enhancement through biasing is analyzed and...