Research on the Welfare Effects of Building a Unified National Market
Building a unified national market is the fundamental support for constructing a new development pattern.This paper uses in-ter provincial input-output tables to construct a general equilibrium model with complex cycle production,and quantitatively evaluates the con-sumer welfare enhancement effect of the construction of a unified national market using quasi-natural experiments and structural estimation methods implemented under the Anti-Monopoly Law.Research has found that the construction of a unified national market has significantly improved the welfare benefits of domestic consumers.The specific mechanism is reflected in the promotion of cross regional trade in final products,cross regional production of intermediate goods,and cross regional complex circular production through the construction of a unified national market.The welfare effects of building a unified national market exhibit significant heterogeneity:high monopoly industries generate higher welfare benefits through input-output linkages between industries than within the industry;The welfare benefits of intermediate goods flow are higher than those of final goods flow.The construction of a unified national market is conducive to leveraging the comparative advan-tages of regional collaborative production through complex circular production,promoting the transfer of welfare benefits from the eastern re-gion to the central and western regions,and narrowing the relative welfare benefit gap among the eastern,central,and western regions.This pa-per estimates the cross-regional general equilibrium impact brought about by the implementation of the Anti-Monopoly Law,providing inspira-tion for understanding the effect mechanism of the construction of a unified national market.
unified national marketconsumer welfarecomplex cycle productionstructural estimatethe Anti-Monopoly Law
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