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本书通过将交易效率引入贸易政策新政治经济学的模型,考察在不存在和存在经济冲击两种条件下,交易效率对贸易保护水平的影响。分析结果表明:(1)在不考虑经济冲击的条件下,交易效率与一国贸易保护水平之间呈先上升、后下降的“倒U型”曲线关系;(2)在发生经济冲击的条件下,贸易保护水平会迅速上升,且一国的交易效率越高,贸易保护水平上升的幅度越大。
Through the introduction of transaction efficiency into the new political economics model of trade policy, this book examines the impact of transaction efficiency on the level of trade protection under the two conditions of nonexistence and economic shock. The results of the analysis show that: (1) Under the condition of not considering the economic impact, the relationship between transaction efficiency and the protection level of a country’s trade shows an “inverted U-shaped” curve relationship that increases first and then falls; (2) In the event of economic shocks Under the conditions, the level of trade protection will rise rapidly, and the higher the transaction efficiency of a country, the greater the increase in trade protection levels.