英文标题：
《A hydrodynamic model for cooperating solidary countries》
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作者：
Roberto De Luca, Marco Di Mauro, Angelo Falzarano, Adele Naddeo
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最新提交年份：
2017
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英文摘要：
  The goal of international trade theories is to explain the exchange of goods and services between different countries, aiming to benefit from it. Albeit the idea is very simple and known since ancient history, smart policy and business strategies need to be implemented by each subject, resulting in a complex as well as not obvious interplay. In order to understand such a complexity, different theories have been developed since the sixteenth century and today new ideas still continue to enter the game. Among them, the so called classical theories are country-based and range from Absolute and Comparative Advantage theories by A. Smith and D. Ricardo to Factor Proportions theory by E. Heckscher and B. Ohlin. In this work we build a simple hydrodynamic model, able to reproduce the main conclusions of Comparative Advantage theory in its simplest setup, i.e. a two-country world with country A and country B exchanging two goods within a genuine exchange-based economy and a trade flow ruled only by market forces. The model is further generalized by introducing money in order to discuss its role in shaping trade patterns. Advantages and drawbacks of the model are also discussed together with perspectives for its improvement.
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中文摘要：
国际贸易理论的目标是解释不同国家之间的商品和服务交换，以从中受益。尽管这个想法非常简单，自古以来就为人所知，但聪明的政策和商业战略需要由每个学科来实施，导致复杂而不明显的相互作用。为了理解这种复杂性，自十六世纪以来，人们发展了不同的理论，今天，新的思想仍在继续进入游戏。其中，所谓的经典理论以国家为基础，范围从A.Smith和D.Ricardo的绝对优势和比较优势理论到E.Heckscher和B.Ohlin的要素比例理论。在这项工作中，我们建立了一个简单的水动力模型，能够在最简单的框架内再现比较优势理论的主要结论，即一个两国世界，其中a国和B国在真正的以交换为基础的经济中交换两种商品，而贸易流仅受市场力量的支配。通过引入货币来进一步推广该模型，以讨论其在塑造贸易模式中的作用。文中还讨论了该模型的优缺点以及改进的前景。
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分类信息：

一级分类：Quantitative Finance        数量金融学
二级分类：General Finance        一般财务
分类描述：Development of general quantitative methodologies with applications in finance
通用定量方法的发展及其在金融中的应用
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一级分类：Physics        物理学
二级分类：Physics and Society        物理学与社会
分类描述：Structure, dynamics and collective behavior of societies and groups (human or otherwise). Quantitative analysis of social networks and other complex networks. Physics and engineering of infrastructure and systems of broad societal impact (e.g., energy grids, transportation networks).
社会和团体（人类或其他）的结构、动态和集体行为。社会网络和其他复杂网络的定量分析。具有广泛社会影响的基础设施和系统（如能源网、运输网络）的物理和工程。
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一级分类：Quantitative Finance        数量金融学
二级分类：Economics        经济学
分类描述：q-fin.EC is an alias for econ.GN. Economics, including micro and macro economics, international economics, theory of the firm, labor economics, and other economic topics outside finance
q-fin.ec是econ.gn的别名。经济学，包括微观和宏观经济学、国际经济学、企业理论、劳动经济学和其他金融以外的经济专题
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