1. Economic Welfare and the Allocation of Resources for Invention;K J Arrow;The Rate and Direction of Economic Activities: Economic and Social Factors,1962
2. The role of central bank money in payment systems;Committee on Payment and Settlement Systems,2003
3. Payment network scale economies, SEPA, and cash replacement;W Bolt;Review of Network Economics,2007
4. Pricing of payment cards, competition, and efficiency: A possible guide for SEPA;W Bolt;Annals of Finance,2013
5. Interchange fees in card payments;A B�restam;Occasional Paper Series,2011