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This working paper analyses conditional convergence in Europe and also tries to assess the impact that arises from integration. Using a pooled mean-group estimation method, we first analyse the conditional convergence of GDP per labour force in the area covering the 15 member states of the European Union (EU-15) in 1960-2002. Conditional convergence is well-documented for the EU-15. Higher investment, lower public consumption and lower inflation have contributed positively to GDP growth. Deeper European integration is shown to have accelerated growth when inflation is not included in the specification, but not otherwise. The evidence on the effect of integration on growth is therefore mixed. We then apply the same method to estimate the growth of GDP per labour force in the new EU member states – the eight Central and Eastern European countries (CEECs) – for the period 1993-2002. These countries are shown to have converged conditionally towards the average level of GDP per labour force in the EU-15. Higher investment and lower public consumption have also supported growth in the CEECs.