bank of finland discussion papers 15 g183 2003 hanna putkuri financial markets department 13 5 cross country asymmetries in euro area monetary transmission the role national systems suomen pankin keskustelualoitteita finlands banks diskussionsunderlag pankki po box 160 fin 00101 helsinki g40 358 9 1831 http www bof fi views expressed are those author and do not necessarily reflect comments by pekka ilmakunnas jouko vilmunen greatfully acknowledged isbn 952 462 063 4 issn 0785 3572 print 064 2 1456 6184 online monistuskeskus 3 abstract since 1 january 1999 ecb has conducted a single policy but mechanisms which extent