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各国SPS通报反映了其SPS措施的严厉程度及保护门槛的高低。通报数越多,保护水平越高,越能阻止外来风险进入本国。采用9个WTO成员国1995-2012年关于农产品的SPS通报数据,实证度量SPS措施对各国农产品进口的影响。结果表明,SPS通报不仅在当年,而且在未来4年都对农产品进口产生限制作用。作为全球最大的贸易国和农产品进口国,中国应当有效制定和实施SPS措施,加强SPS通报,抵御外来风险侵入。
SPS notifications from various countries reflect the severity of SPS measures and the level of protection thresholds. The greater the number of notifications, the higher the level of protection, the more it can prevent foreign risks from entering the country. The SPS notification data on agricultural products of nine WTO member countries from 1995 to 2012 were used to empirically measure the impact of SPS measures on the import of agricultural products in various countries. The results showed that the SPS Bulletin not only restricted the import of agricultural products in the year but also in the next four years. As the world’s largest trading nation and importer of agricultural products, China should effectively formulate and implement SPS measures, strengthen SPS notification and resist invasion of external risks.