Lucas Model with Imperfect Information Relative price of good i:=p,-p Two assumptions: (1)Certainty equivalency. (2)Rational expectation. Supely -1E(:) y-1 电子科大经管学院马捷 8 元元元8 Relative price of good i: Two assumptions: (1) Certainty equivalency. (2) Rational expectation. ( | ) 1 1 ( ) 1 1 Supply : i i i pi l p p E r        电子科大经管学院 马捷 Lucas Model with Imperfect Information ri  pi  p