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IMPLAN sectors是什么意思?

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IMPLAN sectors是什么意思?
IMPLAN 好像是个就业统计模型,但确切来说我不是很明白,有知道的给细细讲讲,或者给个关于这个模型介绍(包括哪些东西?是干什么的?怎么用的?具体在那些方面能用到?)的链接给个也行!
IMPLAN is an economic impact assessment software system.The system was originally
developed and is now maintained by the Minnesota IMPLAN Group (MIG).It combines
a set of extensive databases concerning economic factors,multipliers and demographic
statistics with a highly refined and detailed system of modeling software.IMPLAN
allows the user to develop local-level input-output models that can estimate the economic
impact of new firms moving into an area as well as the impacts of professional sports
teams,recreation and tourism,and residential development.The model accomplishes this
by identifying direct impacts by sector,then developing a set of indirect and induced
impacts by sector through the use of industry-specific multipliers,local purchase
coefficients,income-to-output ratios,and other factors and relationships.
There are two major components to IMPLAN:data files and software.
再问: 能写中文不?
再答: Sorry, 我不会写中文. 你可试用机译呀!