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本文引入财政支出作为传导机制,运用庇古的公共物品最优配置边际效用理论分析财政分权、城市化与城乡收入差距之间的相互作用机理,基于1978—2013年全国时间序列数据,利用向量自回归模型(VAR)实证检验了我国财政分权、城市化与城乡收入差距之间的动态关系。研究发现,从长期来看,财政分权、城市化与城乡收入差距之间存在长期均衡关系,财政分权显著缩小了城乡收入差距,城市化显著加大了城乡收入差距;从短期来看,财政分权却加大了城乡收入差距,城市化反而缩小了城乡收入差距,城乡收入差距对其自身也具有显著的正向影响。
This paper introduces the fiscal expenditure as the transmission mechanism, uses Pigou’s optimal allocation of public goods marginal utility theory to analyze the interaction mechanism between fiscal decentralization, urbanization and urban-rural income disparity. Based on the national time series data from 1978 to 2013, Autoregressive model (VAR) empirically tests the dynamic relationship between fiscal decentralization, urbanization and urban-rural income disparity. The study found that in the long run, there is a long-term equilibrium relationship between fiscal decentralization, urbanization and urban-rural income disparity, fiscal decentralization has significantly narrowed the income gap between urban and rural areas, and urbanization has markedly widened the income gap between urban and rural areas. In the short run, However, fiscal decentralization has increased the income gap between urban and rural areas. However, urbanization has narrowed the income gap between urban and rural areas, and the urban-rural income gap has also had a significant positive impact on itself.