Lecture #8 was an introduction to multiagent decisions
Additional reading to go with the class is the following nice survey of computational social choice:
Y. Chevaleyre, U. Endriss, J. Lang and N. Maudet A short introduction to computational social choice, Proc. SOFSEM-2007, Springer-Verlag, 2007.while this article:
J. J. Bartholdi, C. A. Tovey and M. A. Trick. The computational difficulty of manipulating an election, Social Choice and Welfare, Volume 6, Number 3 / July, 1989, 227-241.is the one the textbook gives as a class reading.