On the official documents the gap on EU-US productivity was widened again.
EU Regional Competitiveness Index (RCI 2013)
http://ec.europa.eu/regional_policy/sources/docgener/studies/pdf/6th_report/rci_2013_report_final.pdf
The Global Competitiveness Report 2013–2014 (Full Data Edition)
http://www3.weforum.org/docs/WEF_GlobalCompetitivenessReport_2013-14.pdf
What was done earlier non-effectively? Maybe there are some unknown ways to improve own competitiveness?