经常项目（Current Account)

经常项目余额(current account balance)

解释为什么在本章模型中贬值会改善经常项目。

Explain why a devaluation improves the current account in this chapter's model．

在固定汇率制下。财政扩张如何影响一国的经常项目？

How does fiscal expansion affect a country's current account under a fixed exchange rate？

A.货物

B.服务

C.经常转移收支

D.收益

Is it possible for a country to have a current account deficit at the same time it has a surplus in its balance of payments？ Explain your answer，using hypothetical figures for the current and nonreserve financial accounts．Be sure to discuss the possible implications for official international reserve flows．

线效应，有什么其他的宏观经济变动可以造成货币贬值及经常项目恶化？

You observe that a country's currency depreciates but its current account worsens at the same time．What data might you look at to decide whether you are witnessing a J-curve effect？ What other macroeconomic change might bring about a currency depreciation coupled with a deterioration of the current account，even if there is no J-curve？

Devaluation is often used by countries to improve their current accounts．Since the current account equals national saying less domestic investment，however，this improvement can occur only if investment falls，saving rises，or both．How might devaluation affect．national saving and domestic investment？

给定产出，一个国家可以通过减少投资或者减少消费(私人或政府的)来改善其经常项目。债务危机开始后，许多发展中国家会减少投资来改善经常项目。这是明智的战略吗？

Given output，a country can improve its current account by either cutting investment or cutting consumption(private or government)．After the debt crisis of the 1980s began，many developing countries achieved improvements in their current accounts by cutting investment．Is this a sensible strategy？