Asongu, Simplice; Odhiambo, Nicholas M. - In: Financial Innovation 5 (2019) 1, pp. 1-22
There is a growing body of evidence that interest rate spreads in Africa are higher for big banks compared to small … banks. One concern is that big banks might be using their market power to charge higher lending rates as they become larger … is influenced by exploitation of market power or economies of scale. Using a panel of 162 African banks for 2001-2011, we …