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一、理论模型Feder-ram两部门模型被广泛用于研究国防开支与经济增长的关系:它假定存在影响总产出或经济增长的两种机制;从供给的角度出发,建立增长方程,把国防开支对经济增长的影响作为一个变量。假定经济包含两部门,即产出为Q的民用部门与产出为M的国防部门。民用部门的产出Q既取决于本部门的生产要素投入,也取决于国防部门产出的外部性而带来的影响。有以下两个生产函数:
First, the theoretical model Feder-ram two-part model is widely used to study the relationship between national defense spending and economic growth: It assumes that there are two mechanisms that affect total output or economic growth; from the supply point of view, the establishment of growth equations, the national defense The impact of expenditure on economic growth is a variable. Suppose the economy consists of two sectors, namely, the civilian sector with Q output and the defense sector with M output. The output Q of the civilian sector depends not only on the input of factors of production in the sector but also on the externalities of the output of the defense sector. There are two production functions: