1. Adams, R., Bauer, P., Sickles, R., 2002. Scope and scale economies in Federal Reserve payment processing. Working Paper, Federal Reserve Bank of Cleveland.
2. Scale economies, cost efficiencies, and technological change in Federal Reserve payments processing;Bauer;Journal of Money Credit and Banking,1996
3. Contestable Markets and the Theory of Industry Structure;Baumol,1982
4. Bolt, W., Humphrey, D., 2005. Public good issues in Target, natural monopoly, scale economies, network effects and cost allocation. Working Paper, European Central Bank.
5. Payment network scale economies, SEPA, and cash replacement;Bolt;Review of Network Economics,2007