INDIVIDUAL AND COLLECTIVE PREFERENCE AND CHOICE

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INDIVIDUAL AND COLLECTIVE PREFERENCE AND CHOICE
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Strange Ice Cream Flavor Choice Behavior

• Expansion/Contraction of Set of Options
• Customer Given a choice between vanilla and
  chocolate, Ill take vanilla. But if strawberry
  is available also, Ill take chocolate. In
  electoral terms, chocolate is a spoiler
  flavor.
• R1 R2 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

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Even Stranger Ice Cream Flavor Choice Behavior

• Cyclical Preferences and Agenda Control
• Customer Given a choice between vanilla and
  chocolate, Ill take vanilla. Given a choice
  between chocolate and strawberry, Ill take
  chocolate. And given a choice between strawberry
  and vanilla, Ill take strawberry.
• R1 R2 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.