比率税制下的乘数:理论推导和探讨

Theoretical Inferring and Discussing on the Multipliers Under Ratio Tax System

目前国内权威版本的《宏观经济学》教材,对三部门经济中比率税制的各种乘数的推导和论述存在相互矛盾的结果。本文基于宏观经济学的基本原理,运用数学模型推导了三部门经济中比率税的各种乘数,得出真正的平衡预算乘数恒等于1的结论。

In domestic authoritative teaching materials of Macroeconomics, there are many kinds of contradictory results on inferring and narrating on the multipliers under ratio tax system in three departments economy. This paper infers all kinds of multipliers of ratio tax in three departments economy by using mathematical models based on the basic principle of Macroeconomics, and draws a conclusion that actual BBM equals one always.