Ranking | Count | Year | Keywords |
1 | 465 | 1997 | International trade |
2 | 170 | 2001 | trade |
3 | 163 | 2010 | productivity |
4 | 132 | 2008 | impact |
5 | 123 | 2005 | growth |
6 | 121 | 2008 | export |
7 | 93 | 2012 | performance |
8 | 84 | 2012 | china |
9 | 81 | 2004 | firm |
10 | 74 | 2007 | industry |
11 | 68 | 2012 | innovation |
12 | 68 | 1996 | model |
13 | 63 | 2004 | technology |
14 | 61 | 2010 | globalization |
15 | 59 | 2012 | foreign direct investment |