These authors found that the enhanced capacity in global trade facilitation would increase the world trade of manufactured goods by approximately US$377 billion – an increase of about 9.7 percent. This is based on a scenario in which capacity building is raised halfway to the global average across 75 countries. They found that the improvement in the customs environment results in about a $107 billion (0.8 percent) trade gain. The trade gain from the improvement in the regulatory environment is $83 billion. The largest trade gain comes from improvements in service-sector infrastructure and e-business usage ($154 billion or 4.0 percent). updated the data to include the more recent years of 2004-2008 and revised Wilson gravity analysis using a panel data estimation.