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A free-trade area is the region encompassing a trade bloc whose member countries have signed a free trade agreement (FTA). Such agreements involve cooperation between at least two countries to reduce trade barriers—import quotas and tariffs— and to increase trade of goods and services with each other. If people are also free to move between the countries, in addition to FTA, it would also be considered an open border. It can be considered the second stage of economic integration. ==Description== Unlike a customs union (the third stage of economic integration), members of a free-trade area do not have a common external tariff, which means they have different quotas and customs, as well as other policies with respect to non-members. To avoid tariff evasion (through re-exportation) the countries use the system of certification of origin most commonly called rules of origin, where there is a requirement for the minimum extent of local material inputs and local transformations adding value to the goods. Only goods that meet these minimum requirements are entitled to the special treatment envisioned by the free trade area provisions. Cumulation is the relationship between different FTAs regarding the rules of origin – sometimes different FTAs supplement each other, in other cases there is no cross-cumulation between the FTAs. A free-trade area is a result of a free-trade agreement (a form of trade pact) between two or more countries. Free-trade areas and agreements (FTAs) are cascadable to some degree – if some countries sign agreements to form a free-trade area and choose to negotiate together (either as a trade bloc or as a forum of individual members of their FTA) another free-trade agreement with another country (or countries) – then the new FTA will consist of the old FTA plus the new country (or countries). Within an industrialized country there are usually few if any significant barriers to the easy exchange of goods and services between parts of that country. For example, there are usually no trade tariffs or import quotas; there are usually no delays as goods pass from one part of the country to another (other than those that distance imposes); there are usually no differences of taxation and regulation. Between countries, on the other hand, many of these barriers to the easy exchange of goods often do occur. It is commonplace for there to be import duties of one kind or another (as goods enter a country) and the levels of sales tax and regulation often vary by country.. The aim of a free-trade area is to reduce barriers to exchange so that trade can grow as a result of specialisation, division of labour, and most importantly via comparative advantage. The theory of comparative advantage argues that in an unrestricted marketplace (in equilibrium) each source of production will tend to specialize in that activity where it has comparative (rather than absolute) advantage. The theory argues that the net result will be an increase in income and ultimately wealth and well-being for everyone in the free-trade area. But the theory refers only to aggregate wealth and says nothing about the distribution of wealth; in fact there may be significant losers, in particular among the recently protected industries with a comparative disadvantage. In principle, the overall gains from trade could be used to compensate for the effects of reduced trade barriers by appropriate inter-party transfers. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Free trade area」の詳細全文を読む スポンサード リンク
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