Import and export of horticultural products in Portugal

V. Martinho
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Abstract

With this work it is analyzed the import and export of horticultural products between Portugal and the other world countries. It is used data about Portuguese international trade of vegetables from 2006 to 2010. The data were obtained from the INE (Statistics Portugal), gently given by the AICEP (Trade & Investment Agency). It is did some estimations taking into account the models from the convergence theory, with panel data and using methods by fixed effects, random effects and dynamic effects, for the Portuguese import and export of vegetables, separately. It is found convergence in all estimations. The volatility was also tested. All the tests show no stationary of the data. So, in statically means the data show weak regularity. In this way all the conclusion, must be did very carefully. This lack of regularity is a result of lack of a national coherent policy for the sector.
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葡萄牙园艺产品进出口
在此基础上,分析了葡萄牙与世界其他国家之间的园艺产品进出口情况。本文使用了2006 - 2010年葡萄牙蔬菜国际贸易数据。这些数据来自葡萄牙国家统计局(INE),由葡萄牙贸易与投资局(AICEP)委婉地提供。结合收敛理论模型,采用面板数据,采用固定效应、随机效应和动态效应的方法,分别对葡萄牙蔬菜进出口进行了估计。发现它在所有估计中都是收敛的。波动性也受到了考验。所有的测试都表明数据不稳定。因此,在静态意义上,数据表现出弱规律性。这样所有的结论,都必须做得非常仔细。这种缺乏规律性的情况是由于缺乏针对该部门的全国性连贯政策。
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