The Centre for Relationship Marketing and Service Management CERS is a research centre at Hanken School of Economics in Helsinki, Finland. CERS is one of the leading institutions for research within services, and a founding member of the Nordic School of thought within Marketing. CERS is known for its research in the areas of service and relationship management. All research done at CERS falls under the general theme of how service and customer relationships influence the competitiveness of firms, from both B-to-B and B-to-C perspectives.