Funke, Michael; Ruhwedel, Ralf - 2000
Utilizing panel data for 19 OECD countries we find suppor t for the hypothesis that a greater degree of product variety … product variety calculated from 6-digit OECD export and import data. A lthough the issue is still far from being settled, the … merging conclusion is that the index of relative product variety across countries is significantly correlated with relative …