Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/154450
Authors: 
Koetter, Michael
Podlich, Natalia
Wedow, Michael
Year of Publication: 
2017
Series/Report no.: 
ECB Working Paper 2017
Abstract: 
We test if unconventional monetary policy instruments influence the competitive conduct of banks. Between q2:2010 and q1:2012, the ECB absorbed €218 billion worth of government securities from five EMU countries under the Securities Markets Programme (SMP). Using detailed security holdings data at the bank level, we show that banks exposed to this unexpected (loose) policy shock mildly gained local loan and deposit market shares. Shifts in market shares are driven by banks that increased SMP security holdings during the lifetime of the program and that hold the largest relative SMP portfolio shares. Holding other securities from periphery countries that were not part of the SMP amplifies the positive market share responses. Monopolistic rents approximated by Lerner indices are lower for SMP banks, suggesting a role of the SMP to re-distribute market power differentially, but not necessarily banking profits.
Subjects: 
competition
security markets program
unconventional monetary policy
JEL: 
C30
C78
G21
G28
L51
Document Type: 
Working Paper

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