Q: Which best-selling 2008/9 book, whose concepts were adopted by political leaders, was written by Thaler and Sunstein?
A: nudge

Q: In Tolkien's 'The Hobbit' who is the leader of the Company of Dwarves?
A: thorin oakenshield

Q: Which musical was written by Tim Rice with two ex-members of ABBA?
A:
chess