Haffner, R.C.G.

price price convergence convergence country product similarity price similarity level product categories service market category change result consumer goods trade consumer difference policy price structures european exchange d-mark area non-eu countries table energy effect equipment period competition expenditure d-mark unweighted coefficient integration price levels construction share degree sector figure netherland union progress non-eu dijkgraaf structure specification barrier paper expenditure shares haffner development equation van sinderen exchange rates van bergeijk analysis bovenberg equipment goods price data van der geest oecd countries medium tradable varkevisser comparison r.c.g eu-countrie state reform economy h.r.j impact variable van dalen vollebergh eu countries price comparisons index