Av betänkandet framgår att migrationsflödet i såväl avsändar- som mottagarländerna styrs av faktorer som tillgång och efterfrågan. ###>However, in the report we published recently on the functioning of the transitional arrangements, the Commission pointed out that flows from the EU-10, the new Member States, had been fairly limited in relation to the overall working-age population and that they are balanced, at least in part, by mobility from the original 15.