@TechReport{CEPII:2009-03,
author={Isabelle Méjean and Cyrille Schwellnus},
title={Price Convergence in the European Union: Within Firms or Composition of Firms?},
year=2009,
month=March,
institution={CEPII},
type={Working Papers},
url={http://www.cepii.fr/CEPII/fr/publications/wp/abstract.asp?NoDoc=1177},
number={2009-03},
}