Take the 2-minute tour ×  Can someone please explain to me (with
concrete examples) what are submodular and supermodular games,
and their related concepts of games of strategic substitutes and
strategic complements.  An artificial example using Prisoner's
Dilemma would be quite helpful. Thanks in advance.
share|improve this question The prisoners dilemma is not a very
insightful example. The most accessible material I know on these
topic are these notes, but it is still not easy. –  Michael
Greinecker Jul 17 '12 at 17:27 @MichaelGreinecker, I had a look
at similar materials, and struggled to develop an intuitive
understanding of the concepts, hence I am asking for a concrete
example using a simple game to illustrate the concepts. But
thanks for the notes anyway! –  MLister Jul 17 '12 at 17:41 add
comment  1 Answer  You have two players, Ann and Bob. Both have
as their strategy spaces the unit interval $[0,1]$. Also
$u_A(x,y)=u_b(x,y)=u(x,y)=xy$, the game is of common interest.
There are two pure-strategy eq