Abstract
Economic development specialists are often called upon to assess the total regional impacts of a project, policy, or program. This paper reviews traditional multiplier methods of impact evaluation, pointing out their advantages and limitations. Emphasis is given to definition and measurement problems as they affect the way regional multipliers are usually estimated and used. The discussion is then extended to input-output models and multipliers. Particular attention is given to the greater accuracy and range of results as well as the additional complexity of application and interpretation inherent in regional input-output methods.
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