摘要：Norges Bank's Working Papers (Arbeidsnotater) present research projects (not necessarily intheir final version), and are published among other reasons to enable the author to benefit fromthe comments of colleagues and interested parties. Only Working Papers published in Englishare listed below. Subscriptions are available free of charge and individual copies may beobtained from Norges Bank's Library. Postal address: PO Box 1179 Sentrum, N-0107 Oslo,Norway
