Does there exist another equilibrium? This requires the existence of a n*< l at Which g(丌)md U Y 丌=元 Z|=(1-)()+兀U g(兀)a元 兀=元 To build intuition, take a T aylor series expansion for U( around Y, and use the g(rIdI notation元=n= or g(r dI =元Does there exist another equilibrium? This requires the existence of a   1 at which: U Y    1 gd   1 gd Z  1  UY  U To build intuition, take a Taylor series expansion for U. around Y, and use the notation      1 gd   1 gd or