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通过构造三个行为主体的一般均衡模型,发现投资效率的变化使得市场一般均衡的存在变得具有某种条件性,从而在根本上导致了产出的波动。社会整体的资本投入产出弹性系数越高,则劳动市场均衡时,产品市场的产出越倾向于短缺;产品市场均衡时,劳动市场则倾向于供给大于需求。另外,投资效率变化所产生的本行业的产出波动受到其他产业中资本特征的影响,其他行业的资本投入产出弹性系数越高,则产品供给水平越小于市场需求水平。
By constructing the general equilibrium model of the three actors, we find that the change of investment efficiency makes the existence of general equilibrium of the market become a certain condition, which fundamentally leads to the fluctuation of output. The higher the social input and output elasticity of the whole society, the more balanced the labor market, the more the output of the product market tends to be short of supply. When the product market is balanced, the labor market tends to supply more than the demand. In addition, the output volatility of the industry caused by the change of investment efficiency is affected by the capital characteristics in other industries. The higher the capital input-output elasticity coefficient of other industries, the less the product supply level is in line with the market demand level.