Christian Calmès () (Département des sciences administratives, Université du Québec (Outaouais), et LRSP) Raymond Théoret () (Département de stratégie des affaires, Université du Québec (Montréal), et Chaire d'information financière et organisationnelle)
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This paper revisits the impact of OBS activities on Canadian banks risk-return trade-off. Recent studies (Stiroh and Rumble 2006, Calmès and Liu 2007) suggest that increasing OBS activities do not necessarily yield straightforward diversification benefits. However, adding a risk premium to earlier accounting returns models by resorting to an ARCH-M procedure, an updated sample reveals that the Canadian banks risk-return trade-off displays a structural break, around 1997. In the second subperiod (1997-2007) of our sample, we find that the share of noninterest income no longer negatively impacts banks returns. Relatedly, we find that a risk premium emerges while, in the first period (1988-1996), the volatility variable is not significant in any returns equations. Our results are thus consistent with a maturation process story.
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Paper provided by Département des sciences administratives, UQO in its series RePAd Working Paper Series with number
UQO-DSA-wp022009.
Length: 38 pages Date of creation: 12 Jan 2009 Date of revision: Handle: RePEc:pqs:wpaper:022009
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