1. Aghion , P. Angeletos , G. Banerjee , A. Manova , K. 2005
2. Allen , F. Bartiloro , L. Kowalewski , O. 2006
3. Has the EU's Single Market Programme fostered competition? Testing for a decrease in mark-up ratios in EU industries;Badinger;Oxford Bulletin of Economics and Statistics,2007
4. Baele , L. Ferrando , A. Hordahl , P. Krylova , E. Monnet , C. 2004