【正文】
)External Environment? General environment: PESTN? Special environment? Industrial structure amp。 attractivenessGoal: Strength amp。 Weak(Samp。W)Goal: Opportunity and Threat(Oamp。T)BUSINESS AND STRATEGIES DEFINITIONBarriers to entry? Scale economics? Product differentiate? Capital requirements? Transferred cost? Place and channel? Disadvantage not related to scale? Governmental policiesBarriers to exit? Uniqueness of assets? Fixed cost? Internal strategic relation? Emotional barriers? Constraints from government and society HighExit