标题1：Are Weak Patent Rights a Barrier to Us Exports?.
作者：Smith, P. J.
期刊：Journal of International Economics, 1999, 48(1), pp. 151-77.

链接：http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V6D-3WHC4HN-9&_user=6854477&_coverDate=06%2F30%2F1999&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_searchStrId=1481103325&_rerunOrigin=scholar.google&_acct=C000050221&_version=1&_urlVersion=0&_userid=6854477&md5=42b5435acad2c863f76f1c342f3386a2&searchtype=a

标题2：How Do Foreign Patent Rights Affect Us Exports, Affiliate Sales, and Licenses?.
作者：Smith, P. J.
期刊：Journal of International Economics, 2001, 55(2), pp. 411-39.

链接：http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V6D-43K9SPK-9&_user=6854477&_coverDate=12%2F31%2F2001&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_searchStrId=1481109157&_rerunOrigin=scholar.google&_acct=C000050221&_version=1&_urlVersion=0&_userid=6854477&md5=78cce1726185ee463e5f393d7e152e9b&searchtype=a