使用DD-AA模型分析在固定汇率制下,进口关税对产出和国际收支的影响。如果世界各国都通过征收关税来解决失业
Using the DD-AA model,analyze the output and balance of payments effects of an import tariff under fixed exchange rates.What would happen if all countries in the world simultaneously tried to improve employment and the balance of payments by imposing tariffs?