In principle, anything that a player can do to communicate and coordinate with other players could be described by moves in an extensive-form game, so that planning these communication moves would become part of the player's strategy choice itself. Adding a communication system does not...

This chapter summarizes the account of the extension of the classical general equilibrium model to an infinite dimensional setting. The classical finite dimensional theory, the commodity space is the canonical finite dimensional linear space R n . By contrast, there is no canonical infinite...