[2020 Economics Nobel Prize] At least one winner to be Australian

Created by Cato on 2019-09-27; known on 2020-10-20; judged wrong by Cato on 2020-11-02.

• Cato estimated 6% on 2019-09-27
• pranomostro estimated 2% on 2019-10-14
• Cato   judged this prediction wrong on 2020-11-02.