【正文】
, that means, we could use one agent 8 OLG ? Intergeneration trade are possible。 ? Two period (Yong ,then Old)。 ? Budget constraint () ? Def: Walasian Equilibrium (Def ) ? Pro: Walrasian is pareto optimum(Pro ) ? Multiplicity of equilibrium 9 Nonequilibrium Dynamics ? Short run equilibrium and permanent ine ? Shortrun law of demand in OLG Models ? Learning