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Title | Efficiency and Economies of Scale of Large Canadian Banks |
Author | Jason Allen and Ying Liu |
Type | Working Paper 2005-13 |
Date of publication |
May 2005 |
Language | English |
Abstract |
The authors measure the economies of scale of Canada's six largest banks and their costefficiency over time. Using a unique panel data set from 1983 to 2003, they estimate pooled translog cost functions and derive measures of relative efficiency and economies of scale. The disaggregation of the data allows the authors to model Canadian banks as producing multiple outputs, including non-traditional activities. Given the long time span of the data set, they also incorporate technological and regulatory changes in the banks' cost functions, as well as timevarying bank-specific effects. The authors' model leads them to reject constant returns to scale. These findings suggest that there are potential scale benefits in the Canadian banking industry. The authors also find that technological and regulatory changes have had significant positive effects on the banks' cost structure. |
Bank topic index |
Financial institutions |
JEL classification |
G21, D24, C33 |
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