1. INDIVIDUAL AND COLLECTIVE PREFERENCE AND CHOICE

2. Strange Ice Cream Flavor Choice Behavior Expansion/Contraction of Set of Options Customer: “Given a choice between vanilla and chocolate, I’ll take vanilla. But if strawberry is available also, I’ll take chocolate.” [In electoral terms, chocolate is a “spoiler” flavor.] R1R2 R3 R4 R5 R6 1st pref. V V C C S S 2nd pref. C S V S V C 3rd pref. S C S V C V

3. Even Stranger Ice Cream Flavor Choice Behavior “Cyclical” Preferences and “Agenda Control” Customer: “Given a choice between vanilla and chocolate, I’ll take vanilla. Given a choice between chocolate and strawberry, I’ll take chocolate. And given a choice between strawberry and vanilla, I’ll take strawberry.” R1R2 R3 R4 R5 R6 1st pref. V V C C S S 2nd pref. C S V S V C 3rd pref. S C S V C V Replace ice cream flavors with Bush, Gore, and Nader, etc.