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Spierdijk, Laura

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Spierdijk

Personalia

Laura Spierdijk. Ph.D. fromTilburg University, the Netherlands. Full Professor of Econometrics at the University of Groningen, the Netherlands.

Fellow (1 Sept - 30 June 2018)

Scale effects in the U.S. banking sector: A paradox?

Research Question

Why do both small banks manage to survive in the U.S. banking market despite significant cost advantages for larger banks? More specifically, how are scale advantages related to bank size, market power and productivity?

Project Description

Although big banks (especially too-big-to-fail banks) have been given negative press since the start of the global financial crisis in 2008, the literature has shown that big banks benefit from certain scale advantages. Paradoxically, U.S. banks have demonstrated long-term economic viability over a range of scales on the order of 300,000:1 in terms of total assets. This market survival evidence suggests that scale effects must be limited despite recent evidence, or that small banks manage to compensate in some way for their inefficient scale. This project will analyze why U.S. banks of different scale survive in the same market despite the presence of scale economies by assessing the relation between scale effects, bank size, productivity and market power in the U.S. banking sector.

Selected Publications

Shaffer, S. and Spierdijk, L. (2015). The Panzar–Rosse revenue test and market power in banking. Journal of Banking & Finance 61, 340-347.

Bikker, J.A., Shaffer, S. and Spierdijk, L. (2012). Assessing competition with the Panzar–Rosse model: The role of scale, costs, and equilibrium. Review of Economics and Statistics 94, 1025–1044.

Koetter, M., Kolari, J. and and Spierdijk, L. (2012). Enjoying the quiet life under deregulation? Evidence from adjusted Lerner indices for U.S. banks. Review of Economics and Statistics 94, 462–480.

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