Wagner, Joachim - Forschungsinstitut zur Zukunft der Arbeit <Bonn> - 2007
first comprehensive evidence on the relationship between productivityand size of the export market for Germany, a leading … economics, (ii) development of policy concepts, and (iii) dissemination of research
results and concepts to the interested … non-parametric approach.” Journal of International
Economics 57, 397-422.
Foster, Lucia, John Haltiwanger and Chad …