Asongu, Simplice; Odhiambo, Nicholas M. - In: Financial innovation : FIN 5 (2019) 4, pp. 1-22
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 …-shaped nexus. Second, market power and economies of scale do not increase or decrease the interest rate margins significantly. The …